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20295506832 = 2431812336039
BaseRepresentation
bin10010111001101101…
…001101101110010000
31221101102120120102020
4102321231031232100
5313031122204312
613153523051440
71315640650566
oct227155155620
957342516366
1020295506832
118675314747
123b24b10b80
131bb5991553
14da7649a36
157dbb8d78c
hex4b9b4db90

20295506832 has 40 divisors (see below), whose sum is σ = 52719750720. Its totient is φ = 6727789440.

The previous prime is 20295506809. The next prime is 20295506837. The reversal of 20295506832 is 23860559202.

It is not an unprimeable number, because it can be changed into a prime (20295506837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159332 + ... + 1176707.

It is an arithmetic number, because the mean of its divisors is an integer number (1317993768).

Almost surely, 220295506832 is an apocalyptic number.

It is an amenable number.

20295506832 is an abundant number, since it is smaller than the sum of its proper divisors (32424243888).

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

20295506832 is a wasteful number, since it uses less digits than its factorization.

20295506832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336231 (or 2336225 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 20295506832 in words is "twenty billion, two hundred ninety-five million, five hundred six thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 181 362 543 724 1086 1448 2172 2896 4344 8688 2336039 4672078 7008117 9344156 14016234 18688312 28032468 37376624 56064936 112129872 422823059 845646118 1268469177 1691292236 2536938354 3382584472 5073876708 6765168944 10147753416 20295506832