10155012320 has 24 divisors (see below), whose sum is σ = 23991216984. Its totient is φ = 4062004864.

The previous prime is 10155012317. The next prime is 10155012337. The reversal of 10155012320 is 2321055101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10155012292 and 10155012301.

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, 31734254 + ... + 31734573.

It is an arithmetic number, because the mean of its divisors is an integer number (999634041).

Almost surely, 2^10155012320 is an apocalyptic number.

10155012320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10155012320 is an abundant number, since it is smaller than the sum of its proper divisors (13836204664).

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

10155012320 is an equidigital number, since it uses as much as digits as its factorization.

10155012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63468842 (or 63468834 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 10155012320 its reverse (2321055101), we get a palindrome (12476067421).

The spelling of 10155012320 in words is "ten billion, one hundred fifty-five million, twelve thousand, three hundred twenty".