13930999020 has 36 divisors (see below), whose sum is σ = 42257364240. Its totient is φ = 3714933024.

The previous prime is 13930998979. The next prime is 13930999021. The reversal of 13930999020 is 2099903931.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13930999021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38697040 + ... + 38697399.

Almost surely, 2^13930999020 is an apocalyptic number.

13930999020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13930999020 is an abundant number, since it is smaller than the sum of its proper divisors (28326365220).

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

13930999020 is a wasteful number, since it uses less digits than its factorization.

13930999020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77394454 (or 77394449 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 45.

The spelling of 13930999020 in words is "thirteen billion, nine hundred thirty million, nine hundred ninety-nine thousand, twenty".