20883904632 has 48 divisors (see below), whose sum is σ = 56668823640. Its totient is φ = 6947978688.

The previous prime is 20883904631. The next prime is 20883904637. The reversal of 20883904632 is 23640938802.

20883904632 is a `hidden beast` number, since 2 + 0 + 8 + 8 + 3 + 9 + 0 + 4 + 632 = 666.

It is a super-2 number, since 2×20883904632² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20883904631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239643 + ... + 314954.

Almost surely, 2^20883904632 is an apocalyptic number.

It is an amenable number.

20883904632 is an abundant number, since it is smaller than the sum of its proper divisors (35784919008).

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

20883904632 is a wasteful number, since it uses less digits than its factorization.

20883904632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555132 (or 555125 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 20883904632 in words is "twenty billion, eight hundred eighty-three million, nine hundred four thousand, six hundred thirty-two".