14920657920 has 704 divisors, whose sum is σ = 64235842560. Its totient is φ = 3206283264.

The previous prime is 14920657901. The next prime is 14920657933. The reversal of 14920657920 is 2975602941.

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

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, 16450107 + ... + 16451013.

Almost surely, 2^14920657920 is an apocalyptic number.

14920657920 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 14920657920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32117921280).

14920657920 is an abundant number, since it is smaller than the sum of its proper divisors (49315184640).

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

14920657920 is a wasteful number, since it uses less digits than its factorization.

14920657920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 941 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 14920657920 in words is "fourteen billion, nine hundred twenty million, six hundred fifty-seven thousand, nine hundred twenty".