13240020120 has 64 divisors (see below), whose sum is σ = 40688857440. Its totient is φ = 3444556800.

The previous prime is 13240020103. The next prime is 13240020149. The reversal of 13240020120 is 2102004231.

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 13240020120.

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, 1340611 + ... + 1350450.

Almost surely, 2^13240020120 is an apocalyptic number.

13240020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240020120 is an abundant number, since it is smaller than the sum of its proper divisors (27448837320).

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

13240020120 is a wasteful number, since it uses less digits than its factorization.

13240020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691116 (or 2691112 counting only the distinct ones).

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

Adding to 13240020120 its reverse (2102004231), we get a palindrome (15342024351).

The spelling of 13240020120 in words is "thirteen billion, two hundred forty million, twenty thousand, one hundred twenty".