20313211032 has 48 divisors (see below), whose sum is σ = 56789628480. Its totient is φ = 6552648000.

The previous prime is 20313211031. The next prime is 20313211057. The reversal of 20313211032 is 23011231302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20313210996 and 20313211014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313211031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4548219 + ... + 4552682.

It is an arithmetic number, because the mean of its divisors is an integer number (1183117260).

Almost surely, 2^20313211032 is an apocalyptic number.

It is an amenable number.

20313211032 is an abundant number, since it is smaller than the sum of its proper divisors (36476417448).

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

20313211032 is a wasteful number, since it uses less digits than its factorization.

20313211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100944 (or 9100937 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20313211032 its reverse (23011231302), we get a palindrome (43324442334).

The spelling of 20313211032 in words is "twenty billion, three hundred thirteen million, two hundred eleven thousand, thirty-two".