20711590252 has 24 divisors (see below), whose sum is σ = 37883575296. Its totient is φ = 9889197648.

The previous prime is 20711590247. The next prime is 20711590259. The reversal of 20711590252 is 25209511702.

It is not an unprimeable number, because it can be changed into a prime (20711590259) 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, 129598 + ... + 241285.

It is an arithmetic number, because the mean of its divisors is an integer number (1578482304).

Almost surely, 2^20711590252 is an apocalyptic number.

It is an amenable number.

20711590252 is a deficient number, since it is larger than the sum of its proper divisors (17171985044).

20711590252 is a wasteful number, since it uses less digits than its factorization.

20711590252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371517 (or 371515 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 20711590252 in words is "twenty billion, seven hundred eleven million, five hundred ninety thousand, two hundred fifty-two".