20000233121154 has 64 divisors (see below), whose sum is σ = 46994939486208. Its totient is φ = 5594305953600.

The previous prime is 20000233121153. The next prime is 20000233121161. The reversal of 20000233121154 is 45112133200002.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20000233121153) 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, 30393439 + ... + 31044509.

It is an arithmetic number, because the mean of its divisors is an integer number (734295929472).

Almost surely, 2^{20000233121154} is an apocalyptic number.

20000233121154 is an abundant number, since it is smaller than the sum of its proper divisors (26994706365054).

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

20000233121154 is a wasteful number, since it uses less digits than its factorization.

20000233121154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686903.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 20000233121154 its reverse (45112133200002), we get a palindrome (65112366321156).

The spelling of 20000233121154 in words is "twenty trillion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred fifty-four".