10520312144 has 20 divisors (see below), whose sum is σ = 20389736640. Its totient is φ = 5258444640.

The previous prime is 10520312137. The next prime is 10520312177. The reversal of 10520312144 is 44121302501.

It is a super-2 number, since 2×10520312144² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55502 + ... + 155309.

It is an arithmetic number, because the mean of its divisors is an integer number (1019486832).

Almost surely, 2^10520312144 is an apocalyptic number.

It is an amenable number.

10520312144 is a deficient number, since it is larger than the sum of its proper divisors (9869424496).

10520312144 is a wasteful number, since it uses less digits than its factorization.

10520312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213938 (or 213932 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10520312144 its reverse (44121302501), we get a palindrome (54641614645).

The spelling of 10520312144 in words is "ten billion, five hundred twenty million, three hundred twelve thousand, one hundred forty-four".