10312220020 has 48 divisors (see below), whose sum is σ = 21777856128. Its totient is φ = 4101678720.

The previous prime is 10312219991. The next prime is 10312220063. The reversal of 10312220020 is 2002221301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3150985 + ... + 3154255.

It is an arithmetic number, because the mean of its divisors is an integer number (453705336).

Almost surely, 2^10312220020 is an apocalyptic number.

10312220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312220020 is an abundant number, since it is smaller than the sum of its proper divisors (11465636108).

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

10312220020 is a wasteful number, since it uses less digits than its factorization.

10312220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120 (or 4118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10312220020 its reverse (2002221301), we get a palindrome (12314441321).

The spelling of 10312220020 in words is "ten billion, three hundred twelve million, two hundred twenty thousand, twenty".