20632879292 has 12 divisors (see below), whose sum is σ = 36150581040. Its totient is φ = 10304141856.

The previous prime is 20632879291. The next prime is 20632879301. The reversal of 20632879292 is 29297823602.

It is a self number, because there is not a number n which added to its sum of digits gives 20632879292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20632879291) 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, 3070673 + ... + 3077384.

It is an arithmetic number, because the mean of its divisors is an integer number (3012548420).

Almost surely, 2^20632879292 is an apocalyptic number.

It is an amenable number.

20632879292 is a deficient number, since it is larger than the sum of its proper divisors (15517701748).

20632879292 is a wasteful number, since it uses less digits than its factorization.

20632879292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148900 (or 6148898 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 20632879292 in words is "twenty billion, six hundred thirty-two million, eight hundred seventy-nine thousand, two hundred ninety-two".