20213131233132 has 96 divisors (see below), whose sum is σ = 56155545734400. Its totient is φ = 6264972354816.

The previous prime is 20213131233103. The next prime is 20213131233151. The reversal of 20213131233132 is 23133213131202.

20213131233132 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 31 + 312 + 3 + 313 + 2 = 666.

20213131233132 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20213131233096 and 20213131233105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66168882 + ... + 66473657.

It is an arithmetic number, because the mean of its divisors is an integer number (584953601400).

Almost surely, 2^{20213131233132} is an apocalyptic number.

It is an amenable number.

20213131233132 is an abundant number, since it is smaller than the sum of its proper divisors (35942414501268).

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

20213131233132 is a wasteful number, since it uses less digits than its factorization.

20213131233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132642652 (or 132642644 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20213131233132 its reverse (23133213131202), we get a palindrome (43346344364334).

The spelling of 20213131233132 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-one million, two hundred thirty-three thousand, one hundred thirty-two".