20310011232 has 96 divisors (see below), whose sum is σ = 61839574272. Its totient is φ = 5716237824.

The previous prime is 20310011219. The next prime is 20310011233. The reversal of 20310011232 is 23211001302.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310011233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180523 + ... + 270570.

It is an arithmetic number, because the mean of its divisors is an integer number (644162232).

Almost surely, 2^20310011232 is an apocalyptic number.

It is an amenable number.

20310011232 is an abundant number, since it is smaller than the sum of its proper divisors (41529563040).

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

20310011232 is a wasteful number, since it uses less digits than its factorization.

20310011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451180 (or 451172 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20310011232 its reverse (23211001302), we get a palindrome (43521012534).

The spelling of 20310011232 in words is "twenty billion, three hundred ten million, eleven thousand, two hundred thirty-two".