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20277041320 = 23519119913337
BaseRepresentation
bin10010111000100110…
…110001100010101000
31221100010211102111101
4102320212301202220
5313011410310240
613152023211144
71315325002354
oct227046614250
957303742441
1020277041320
118665952298
123b1a8a6ab4
131bb1bc7703
14da5000464
157da24239a
hex4b89b18a8

20277041320 has 64 divisors (see below), whose sum is σ = 46096128000. Its totient is φ = 8027205120.

The previous prime is 20277041299. The next prime is 20277041321. The reversal of 20277041320 is 2314077202.

It is a super-2 number, since 2×202770413202 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20277041321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513692 + ... + 1527028.

It is an arithmetic number, because the mean of its divisors is an integer number (720252000).

Almost surely, 220277041320 is an apocalyptic number.

20277041320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20277041320 is an abundant number, since it is smaller than the sum of its proper divisors (25819086680).

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

20277041320 is a wasteful number, since it uses less digits than its factorization.

20277041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13738 (or 13734 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The spelling of 20277041320 in words is "twenty billion, two hundred seventy-seven million, forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 191 199 382 398 764 796 955 995 1528 1592 1910 1990 3820 3980 7640 7960 13337 26674 38009 53348 66685 76018 106696 133370 152036 190045 266740 304072 380090 533480 760180 1520360 2547367 2654063 5094734 5308126 10189468 10616252 12736835 13270315 20378936 21232504 25473670 26540630 50947340 53081260 101894680 106162520 506926033 1013852066 2027704132 2534630165 4055408264 5069260330 10138520660 20277041320