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20132201232 = 24321113977671
BaseRepresentation
bin10010101111111110…
…010000001100010000
31220222001021210020200
4102233332100030100
5312212320414412
613125410535200
71311615613143
oct225776201420
956861253220
1020132201232
1185a1114840
123a9a297500
131b8abb4310
14d8da9a05a
157cc6819dc
hex4aff90310

20132201232 has 120 divisors (see below), whose sum is σ = 66192305088. Its totient is φ = 5631379200.

The previous prime is 20132201189. The next prime is 20132201233. The reversal of 20132201232 is 23210223102.

20132201232 is a `hidden beast` number, since 201 + 32 + 201 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20132201233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468244 + ... + 509427.

Almost surely, 220132201232 is an apocalyptic number.

20132201232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20132201232 is an abundant number, since it is smaller than the sum of its proper divisors (46060103856).

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

20132201232 is a wasteful number, since it uses less digits than its factorization.

20132201232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977709 (or 977700 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20132201232 its reverse (23210223102), we get a palindrome (43342424334).

The spelling of 20132201232 in words is "twenty billion, one hundred thirty-two million, two hundred one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 33 36 39 44 48 52 66 72 78 88 99 104 117 132 143 144 156 176 198 208 234 264 286 312 396 429 468 528 572 624 792 858 936 1144 1287 1584 1716 1872 2288 2574 3432 5148 6864 10296 20592 977671 1955342 2933013 3910684 5866026 7821368 8799039 10754381 11732052 12709723 15642736 17598078 21508762 23464104 25419446 32263143 35196156 38129169 43017524 46928208 50838892 64526286 70392312 76258338 86035048 96789429 101677784 114387507 129052572 139806953 140784624 152516676 172070096 193578858 203355568 228775014 258105144 279613906 305033352 387157716 419420859 457550028 516210288 559227812 610066704 774315432 838841718 915100056 1118455624 1258262577 1548630864 1677683436 1830200112 2236911248 2516525154 3355366872 5033050308 6710733744 10066100616 20132201232