20216411904 has 72 divisors (see below), whose sum is σ = 57944023312. Its totient is φ = 6220431360.

The previous prime is 20216411869. The next prime is 20216411911. The reversal of 20216411904 is 40911461202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002457 + ... + 1022424.

Almost surely, 2^20216411904 is an apocalyptic number.

20216411904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20216411904 is an abundant number, since it is smaller than the sum of its proper divisors (37727611408).

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

20216411904 is a wasteful number, since it uses less digits than its factorization.

20216411904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024913 (or 2024899 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 20216411904 in words is "twenty billion, two hundred sixteen million, four hundred eleven thousand, nine hundred four".