13920563832 has 128 divisors (see below), whose sum is σ = 42152140800. Its totient is φ = 3739834368.

The previous prime is 13920563759. The next prime is 13920563837. The reversal of 13920563832 is 23836502931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13920563837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4833769 + ... + 4836647.

It is an arithmetic number, because the mean of its divisors is an integer number (329313600).

Almost surely, 2^13920563832 is an apocalyptic number.

13920563832 is a gapful number since it is divisible by the number (12) 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 13920563832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21076070400).

13920563832 is an abundant number, since it is smaller than the sum of its proper divisors (28231576968).

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

13920563832 is a wasteful number, since it uses less digits than its factorization.

13920563832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 13920563832 in words is "thirteen billion, nine hundred twenty million, five hundred sixty-three thousand, eight hundred thirty-two".