20133020031 has 12 divisors (see below), whose sum is σ = 28061905368. Its totient is φ = 12838446544.

The previous prime is 20133019909. The next prime is 20133020071. The reversal of 20133020031 is 13002033102.

It is not a de Polignac number, because 20133020031 - 2¹³ = 20133011839 is a prime.

It is a super-2 number, since 2×20133020031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133020071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6341520 + ... + 6344693.

It is an arithmetic number, because the mean of its divisors is an integer number (2338492114).

Almost surely, 2^20133020031 is an apocalyptic number.

20133020031 is a deficient number, since it is larger than the sum of its proper divisors (7928885337).

20133020031 is a wasteful number, since it uses less digits than its factorization.

20133020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686262 (or 12686239 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20133020031 its reverse (13002033102), we get a palindrome (33135053133).

The spelling of 20133020031 in words is "twenty billion, one hundred thirty-three million, twenty thousand, thirty-one".