10510120320 has 128 divisors (see below), whose sum is σ = 38286915840. Its totient is φ = 2402310144.

The previous prime is 10510120249. The next prime is 10510120333. The reversal of 10510120320 is 2302101501.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×10510120320² (a number of 21 digits) contains 22 as substring.

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 10510120320.

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, 377562 + ... + 404441.

It is an arithmetic number, because the mean of its divisors is an integer number (299116530).

Almost surely, 2^10510120320 is an apocalyptic number.

10510120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10510120320 is an abundant number, since it is smaller than the sum of its proper divisors (27776795520).

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

10510120320 is an equidigital number, since it uses as much as digits as its factorization.

10510120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782032 (or 782020 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

Adding to 10510120320 its reverse (2302101501), we get a palindrome (12812221821).

The spelling of 10510120320 in words is "ten billion, five hundred ten million, one hundred twenty thousand, three hundred twenty".