20113331132 has 48 divisors (see below), whose sum is σ = 36820550592. Its totient is φ = 9605560320.

The previous prime is 20113331131. The next prime is 20113331137. The reversal of 20113331132 is 23113331102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113331131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634033 + ... + 1646295.

It is an arithmetic number, because the mean of its divisors is an integer number (767094804).

Almost surely, 2^20113331132 is an apocalyptic number.

It is an amenable number.

20113331132 is a deficient number, since it is larger than the sum of its proper divisors (16707219460).

20113331132 is a wasteful number, since it uses less digits than its factorization.

20113331132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12518 (or 12516 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20113331132 its reverse (23113331102), we get a palindrome (43226662234).

The spelling of 20113331132 in words is "twenty billion, one hundred thirteen million, three hundred thirty-one thousand, one hundred thirty-two".