20464111214164 has 24 divisors (see below), whose sum is σ = 39914520327360. Its totient is φ = 9123318930816.

The previous prime is 20464111214143. The next prime is 20464111214171. The reversal of 20464111214164 is 46141211146402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7919546392 + ... + 7919548975.

It is an arithmetic number, because the mean of its divisors is an integer number (1663105013640).

Almost surely, 2^{20464111214164} is an apocalyptic number.

It is an amenable number.

20464111214164 is a deficient number, since it is larger than the sum of its proper divisors (19450409113196).

20464111214164 is a wasteful number, since it uses less digits than its factorization.

20464111214164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15839095407 (or 15839095405 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 20464111214164 in words is "twenty trillion, four hundred sixty-four billion, one hundred eleven million, two hundred fourteen thousand, one hundred sixty-four".