10320402120 has 128 divisors (see below), whose sum is σ = 35964483840. Its totient is φ = 2320266240.

The previous prime is 10320402097. The next prime is 10320402133. The reversal of 10320402120 is 2120402301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10320402120.

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, 49467 + ... + 151946.

It is an arithmetic number, because the mean of its divisors is an integer number (280972530).

Almost surely, 2^10320402120 is an apocalyptic number.

10320402120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10320402120 is an abundant number, since it is smaller than the sum of its proper divisors (25644081720).

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

10320402120 is a wasteful number, since it uses less digits than its factorization.

10320402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201495 (or 201491 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10320402120 its reverse (2120402301), we get a palindrome (12440804421).

The spelling of 10320402120 in words is "ten billion, three hundred twenty million, four hundred two thousand, one hundred twenty".