20320121010134 has 16 divisors (see below), whose sum is σ = 33624715055760. Its totient is φ = 9132638655360.

The previous prime is 20320121010107. The next prime is 20320121010187. The reversal of 20320121010134 is 43101012102302.

It is a Curzon number.

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, 5188997279 + ... + 5189001194.

It is an arithmetic number, because the mean of its divisors is an integer number (2101544690985).

Almost surely, 2^{20320121010134} is an apocalyptic number.

20320121010134 is a deficient number, since it is larger than the sum of its proper divisors (13304594045626).

20320121010134 is a wasteful number, since it uses less digits than its factorization.

20320121010134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377998575.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20320121010134 its reverse (43101012102302), we get a palindrome (63421133112436).

The spelling of 20320121010134 in words is "twenty trillion, three hundred twenty billion, one hundred twenty-one million, ten thousand, one hundred thirty-four".