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32203130020 = 22519131646909
BaseRepresentation
bin11101111111011101…
…001100010010100100
310002010021212111121021
4131333131030102210
51011423000130040
622443252500524
72220011042305
oct357735142244
9102107774537
1032203130020
1112725911246
1262a891a744
133062951329
1417b6c9c7ac
15c8726324a
hex77f74c4a4

32203130020 has 48 divisors (see below), whose sum is σ = 71729380800. Its totient is φ = 12110117760.

The previous prime is 32203129967. The next prime is 32203130021. The reversal of 32203130020 is 2003130223.

It is a junction number, because it is equal to n+sod(n) for n = 32203129976 and 32203130003.

It is not an unprimeable number, because it can be changed into a prime (32203130021) 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, 273675 + ... + 373234.

It is an arithmetic number, because the mean of its divisors is an integer number (1494362100).

Almost surely, 232203130020 is an apocalyptic number.

It is an amenable number.

32203130020 is an abundant number, since it is smaller than the sum of its proper divisors (39526250780).

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

32203130020 is a wasteful number, since it uses less digits than its factorization.

32203130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647068 (or 647066 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 32203130020 its reverse (2003130223), we get a palindrome (34206260243).

The spelling of 32203130020 in words is "thirty-two billion, two hundred three million, one hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 131 190 262 380 524 655 1310 2489 2620 4978 9956 12445 24890 49780 646909 1293818 2587636 3234545 6469090 12291271 12938180 24582542 49165084 61456355 84745079 122912710 169490158 245825420 338980316 423725395 847450790 1610156501 1694901580 3220313002 6440626004 8050782505 16101565010 32203130020