20133320031 has 96 divisors (see below), whose sum is σ = 34248614400. Its totient is φ = 11261859840.

The previous prime is 20133320023. The next prime is 20133320059. The reversal of 20133320031 is 13002333102.

It is not a de Polignac number, because 20133320031 - 2³ = 20133320023 is a prime.

It is a super-2 number, since 2×20133320031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20133319986 and 20133320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133320021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20819910 + ... + 20820876.

It is an arithmetic number, because the mean of its divisors is an integer number (356756400).

Almost surely, 2^20133320031 is an apocalyptic number.

20133320031 is a deficient number, since it is larger than the sum of its proper divisors (14115294369).

20133320031 is a wasteful number, since it uses less digits than its factorization.

20133320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20133320031 its reverse (13002333102), we get a palindrome (33135653133).

The spelling of 20133320031 in words is "twenty billion, one hundred thirty-three million, three hundred twenty thousand, thirty-one".