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20836027725270 = 23553347174721617
BaseRepresentation
bin1001011110011010001000…
…00001111111010111010110
32201202220102121010022121120
410233031010001333113112
510212334141044202040
6112151534453424410
74250232122313552
oct457150401772726
981686377108546
1020836027725270
116703567502a9a
1224061b363b106
13b81aa137aa34
1452067d3b6862
15261ed60647d0
hex12f34407f5d6

20836027725270 has 128 divisors (see below), whose sum is σ = 51128428110336. Its totient is φ = 5432365725696.

The previous prime is 20836027725263. The next prime is 20836027725281. The reversal of 20836027725270 is 7252772063802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 963861502 + ... + 963883118.

It is an arithmetic number, because the mean of its divisors is an integer number (399440844612).

Almost surely, 220836027725270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20836027725270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25564214055168).

20836027725270 is an abundant number, since it is smaller than the sum of its proper divisors (30292400385066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20836027725270 is a wasteful number, since it uses less digits than its factorization.

20836027725270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23774.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 20836027725270 in words is "twenty trillion, eight hundred thirty-six billion, twenty-seven million, seven hundred twenty-five thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 347 530 694 795 1041 1590 1735 1747 2082 3470 3494 5205 5241 8735 10410 10482 17470 18391 21617 26205 36782 43234 52410 55173 64851 91955 92591 108085 110346 129702 183910 185182 216170 275865 277773 324255 462955 551730 555546 606209 648510 925910 1145701 1212418 1388865 1818627 2291402 2777730 3031045 3437103 3637254 5728505 6062090 6874206 7501099 9093135 11457010 15002198 17185515 18186270 22503297 32129077 34371030 37505495 37764899 45006594 64258154 75010990 75529798 96387231 112516485 113294697 160645385 188824495 192774462 225032970 226589394 321290770 377648990 397558247 481936155 566473485 795116494 963872310 1132946970 1192674741 1987791235 2001539647 2385349482 3975582470 4003079294 5963373705 6004618941 10007698235 11926747410 12009237882 13104419953 20015396470 26208839906 30023094705 39313259859 60046189410 65522099765 78626519718 131044199530 196566299295 393132598590 694534257509 1389068515018 2083602772527 3472671287545 4167205545054 6945342575090 10418013862635 20836027725270