912920383920 has 80 divisors (see below), whose sum is σ = 2833371590112. Its totient is φ = 243159982080.

The previous prime is 912920383897. The next prime is 912920383939. The reversal of 912920383920 is 29383029219.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 912920383920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024961 + ... + 2434400.

Almost surely, 2^912920383920 is an apocalyptic number.

It is an amenable number.

912920383920 is an abundant number, since it is smaller than the sum of its proper divisors (1920451206192).

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

912920383920 is a wasteful number, since it uses less digits than its factorization.

912920383920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460230 (or 4460224 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 912920383920 in words is "nine hundred twelve billion, nine hundred twenty million, three hundred eighty-three thousand, nine hundred twenty".