20133131010 has 32 divisors (see below), whose sum is σ = 48323544192. Its totient is φ = 5368387200.

The previous prime is 20133131003. The next prime is 20133131089. The reversal of 20133131010 is 1013133102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502747 + ... + 541313.

It is an arithmetic number, because the mean of its divisors is an integer number (1510110756).

Almost surely, 2^20133131010 is an apocalyptic number.

20133131010 is an abundant number, since it is smaller than the sum of its proper divisors (28190413182).

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

20133131010 is a wasteful number, since it uses less digits than its factorization.

20133131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55978.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20133131010 its reverse (1013133102), we get a palindrome (21146264112).

The spelling of 20133131010 in words is "twenty billion, one hundred thirty-three million, one hundred thirty-one thousand, ten".