20964760252 has 12 divisors (see below), whose sum is σ = 37541547736. Its totient is φ = 10238603760.

The previous prime is 20964760249. The next prime is 20964760277. The reversal of 20964760252 is 25206746902.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 20964760199 and 20964760208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60943899 + ... + 60944242.

Almost surely, 2^20964760252 is an apocalyptic number.

It is an amenable number.

20964760252 is a deficient number, since it is larger than the sum of its proper divisors (16576787484).

20964760252 is a wasteful number, since it uses less digits than its factorization.

20964760252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121888188 (or 121888186 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 20964760252 in words is "twenty billion, nine hundred sixty-four million, seven hundred sixty thousand, two hundred fifty-two".