20472686048 has 24 divisors (see below), whose sum is σ = 42426949320. Its totient is φ = 9697587840.

The previous prime is 20472685921. The next prime is 20472686051. The reversal of 20472686048 is 84068627402.

It is a junction number, because it is equal to n+sod(n) for n = 20472685993 and 20472686011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16835483 + ... + 16836698.

It is an arithmetic number, because the mean of its divisors is an integer number (1767789555).

Almost surely, 2^20472686048 is an apocalyptic number.

It is an amenable number.

20472686048 is an abundant number, since it is smaller than the sum of its proper divisors (21954263272).

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

20472686048 is a wasteful number, since it uses less digits than its factorization.

20472686048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33672210 (or 33672202 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 20472686048 in words is "twenty billion, four hundred seventy-two million, six hundred eighty-six thousand, forty-eight".