32113131210020 has 96 divisors (see below), whose sum is σ = 77503173995520. Its totient is φ = 10948560030720.

The previous prime is 32113131210011. The next prime is 32113131210031. The reversal of 32113131210020 is 2001213131123.

It is a happy number.

It is a super-2 number, since 2×32113131210020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32113131209974 and 32113131210001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402536696 + ... + 402616464.

It is an arithmetic number, because the mean of its divisors is an integer number (807324729120).

Almost surely, 2^{32113131210020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32113131210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38751586997760).

32113131210020 is an abundant number, since it is smaller than the sum of its proper divisors (45390042785500).

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

32113131210020 is a wasteful number, since it uses less digits than its factorization.

32113131210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95853 (or 95851 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 32113131210020 its reverse (2001213131123), we get a palindrome (34114344341143).

The spelling of 32113131210020 in words is "thirty-two trillion, one hundred thirteen billion, one hundred thirty-one million, two hundred ten thousand, twenty".