20464122164121 has 32 divisors (see below), whose sum is σ = 30387524697600. Its totient is φ = 13611117916800.

The previous prime is 20464122164029. The next prime is 20464122164131. The reversal of 20464122164121 is 12146122146402.

20464122164121 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 4 + 1 + 2 + 2 + 1 + 641 + 2 + 1 = 666.

It is not a de Polignac number, because 20464122164121 - 2²⁷ = 20463987946393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20464122164131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98003095 + ... + 98211683.

It is an arithmetic number, because the mean of its divisors is an integer number (949610146800).

Almost surely, 2^{20464122164121} is an apocalyptic number.

It is an amenable number.

20464122164121 is a deficient number, since it is larger than the sum of its proper divisors (9923402533479).

20464122164121 is a wasteful number, since it uses less digits than its factorization.

20464122164121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217006 (or 217000 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 20464122164121 in words is "twenty trillion, four hundred sixty-four billion, one hundred twenty-two million, one hundred sixty-four thousand, one hundred twenty-one".