10153120520 has 32 divisors (see below), whose sum is σ = 22862525400. Its totient is φ = 4058047488.

The previous prime is 10153120517. The next prime is 10153120577. The reversal of 10153120520 is 2502135101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6705316996 + 3447803524 = 81886^2 + 58718^2 .

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 = 10153120492 and 10153120501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48305 + ... + 150464.

Almost surely, 2^10153120520 is an apocalyptic number.

10153120520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10153120520 is an abundant number, since it is smaller than the sum of its proper divisors (12709404880).

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

10153120520 is a wasteful number, since it uses less digits than its factorization.

10153120520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200057 (or 200053 counting only the distinct ones).

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

Adding to 10153120520 its reverse (2502135101), we get a palindrome (12655255621).

The spelling of 10153120520 in words is "ten billion, one hundred fifty-three million, one hundred twenty thousand, five hundred twenty".