13231264620 has 192 divisors, whose sum is σ = 43103757312. Its totient is φ = 2970240000.

The previous prime is 13231264609. The next prime is 13231264637. The reversal of 13231264620 is 2646213231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5555830 + ... + 5558210.

It is an arithmetic number, because the mean of its divisors is an integer number (224498736).

Almost surely, 2^13231264620 is an apocalyptic number.

13231264620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13231264620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21551878656).

13231264620 is an abundant number, since it is smaller than the sum of its proper divisors (29872492692).

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

13231264620 is a wasteful number, since it uses less digits than its factorization.

13231264620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632 (or 2630 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13231264620 its reverse (2646213231), we get a palindrome (15877477851).

The spelling of 13231264620 in words is "thirteen billion, two hundred thirty-one million, two hundred sixty-four thousand, six hundred twenty".