20012333031 has 24 divisors (see below), whose sum is σ = 29143720320. Its totient is φ = 13232278800.

The previous prime is 20012332981. The next prime is 20012333039. The reversal of 20012333031 is 13033321002.

It is not a de Polignac number, because 20012333031 - 2¹⁴ = 20012316647 is a prime.

It is a super-2 number, since 2×20012333031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012332995 and 20012333013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012333039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2791830 + ... + 2798988.

It is an arithmetic number, because the mean of its divisors is an integer number (1214321680).

Almost surely, 2^20012333031 is an apocalyptic number.

20012333031 is a deficient number, since it is larger than the sum of its proper divisors (9131387289).

20012333031 is a wasteful number, since it uses less digits than its factorization.

20012333031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667 (or 9664 counting only the distinct ones).

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

Adding to 20012333031 its reverse (13033321002), we get a palindrome (33045654033).

The spelling of 20012333031 in words is "twenty billion, twelve million, three hundred thirty-three thousand, thirty-one".