20044411604451 has 48 divisors (see below), whose sum is σ = 31775663477376. Its totient is φ = 12099557852928.

The previous prime is 20044411604443. The next prime is 20044411604461. The reversal of 20044411604451 is 15440611444002.

20044411604451 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 4 + 4 + 1 + 1 + 604 + 45 + 1 = 666.

It is not a de Polignac number, because 20044411604451 - 2³ = 20044411604443 is a prime.

It is a super-2 number, since 2×20044411604451² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20044411604461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27312925 + ... + 28037201.

It is an arithmetic number, because the mean of its divisors is an integer number (661992989112).

Almost surely, 2^{20044411604451} is an apocalyptic number.

20044411604451 is a deficient number, since it is larger than the sum of its proper divisors (11731251872925).

20044411604451 is a wasteful number, since it uses less digits than its factorization.

20044411604451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728812 (or 728809 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 20044411604451 in words is "twenty trillion, forty-four billion, four hundred eleven million, six hundred four thousand, four hundred fifty-one".