20626531252 has 12 divisors (see below), whose sum is σ = 37996241920. Its totient is φ = 9770462136.

The previous prime is 20626531241. The next prime is 20626531253. The reversal of 20626531252 is 25213562602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20626531253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135700788 + ... + 135700939.

Almost surely, 2^20626531252 is an apocalyptic number.

It is an amenable number.

20626531252 is a deficient number, since it is larger than the sum of its proper divisors (17369710668).

20626531252 is a wasteful number, since it uses less digits than its factorization.

20626531252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271401750 (or 271401748 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20626531252 in words is "twenty billion, six hundred twenty-six million, five hundred thirty-one thousand, two hundred fifty-two".