20963130528 has 48 divisors (see below), whose sum is σ = 55224118656. Its totient is φ = 6962833920.

The previous prime is 20963130493. The next prime is 20963130541. The reversal of 20963130528 is 82503136902.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361576 + ... + 415527.

It is an arithmetic number, because the mean of its divisors is an integer number (1150502472).

Almost surely, 2^20963130528 is an apocalyptic number.

It is an amenable number.

20963130528 is an abundant number, since it is smaller than the sum of its proper divisors (34260988128).

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

20963130528 is a wasteful number, since it uses less digits than its factorization.

20963130528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777397 (or 777389 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 20963130528 in words is "twenty billion, nine hundred sixty-three million, one hundred thirty thousand, five hundred twenty-eight".