20002231123331 has 16 divisors (see below), whose sum is σ = 20673781638048. Its totient is φ = 19339821446400.

The previous prime is 20002231123321. The next prime is 20002231123339. The reversal of 20002231123331 is 13332113220002.

It is a cyclic number.

It is not a de Polignac number, because 20002231123331 - 2¹⁸ = 20002230861187 is a prime.

It is a super-2 number, since 2×20002231123331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20002231123297 and 20002231123306.

It is not an unprimeable number, because it can be changed into a prime (20002231123339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1606061 + ... + 6525633.

It is an arithmetic number, because the mean of its divisors is an integer number (1292111352378).

Almost surely, 2^{20002231123331} is an apocalyptic number.

20002231123331 is a deficient number, since it is larger than the sum of its proper divisors (671550514717).

20002231123331 is a wasteful number, since it uses less digits than its factorization.

20002231123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920502.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20002231123331 its reverse (13332113220002), we get a palindrome (33334344343333).

The spelling of 20002231123331 in words is "twenty trillion, two billion, two hundred thirty-one million, one hundred twenty-three thousand, three hundred thirty-one".