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1232023022220 = 2235139179825277
BaseRepresentation
bin10001111011011010010…
…010110110101010001100
311100210001210200012010110
4101323122102312222030
5130141140343202340
62341552241040020
7155003451620604
oct21733222665214
94323053605113
101232023022220
11435552971711
1217a936026010
138c243b28073
14438b7501c04
15220ab223680
hex11eda4b6a8c

1232023022220 has 96 divisors (see below), whose sum is σ = 3493896940800. Its totient is φ = 324353274624.

The previous prime is 1232023022207. The next prime is 1232023022267. The reversal of 1232023022220 is 222203202321.

It is a super-2 number, since 2×12320230222202 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1080222 + ... + 1905498.

It is an arithmetic number, because the mean of its divisors is an integer number (36394759800).

Almost surely, 21232023022220 is an apocalyptic number.

1232023022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232023022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746948470400).

1232023022220 is an abundant number, since it is smaller than the sum of its proper divisors (2261873918580).

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

1232023022220 is a wasteful number, since it uses less digits than its factorization.

1232023022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825607 (or 825605 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1232023022220 its reverse (222203202321), we get a palindrome (1454226224541).

The spelling of 1232023022220 in words is "one trillion, two hundred thirty-two billion, twenty-three million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 179 278 358 417 537 556 695 716 834 895 1074 1390 1668 1790 2085 2148 2685 2780 3580 4170 5370 8340 10740 24881 49762 74643 99524 124405 149286 248810 298572 373215 497620 746430 825277 1492860 1650554 2475831 3301108 4126385 4951662 8252770 9903324 12379155 16505540 24758310 49516620 114713503 147724583 229427006 295449166 344140509 443173749 458854012 573567515 590898332 688281018 738622915 886347498 1147135030 1376562036 1477245830 1720702545 1772694996 2215868745 2294270060 2954491660 3441405090 4431737490 6882810180 8863474980 20533717037 41067434074 61601151111 82134868148 102668585185 123202302222 205337170370 246404604444 308005755555 410674340740 616011511110 1232023022220