13902487220 has 24 divisors (see below), whose sum is σ = 29213235744. Its totient is φ = 5557563936.

The previous prime is 13902487163. The next prime is 13902487223. The reversal of 13902487220 is 2278420931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13902487223) 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 7 ways as a sum of consecutive naturals, for example, 181082 + ... + 246161.

It is an arithmetic number, because the mean of its divisors is an integer number (1217218156).

Almost surely, 2^13902487220 is an apocalyptic number.

13902487220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13902487220 is an abundant number, since it is smaller than the sum of its proper divisors (15310748524).

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

13902487220 is a wasteful number, since it uses less digits than its factorization.

13902487220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428879 (or 428877 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 13902487220 in words is "thirteen billion, nine hundred two million, four hundred eighty-seven thousand, two hundred twenty".