120019869928 has 32 divisors (see below), whose sum is σ = 257280004800. Its totient is φ = 51418173312.

The previous prime is 120019869877. The next prime is 120019869929. The reversal of 120019869928 is 829968910021.

It is not an unprimeable number, because it can be changed into a prime (120019869929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239850 + ... + 545497.

It is an arithmetic number, because the mean of its divisors is an integer number (8040000150).

Almost surely, 2^120019869928 is an apocalyptic number.

It is an amenable number.

120019869928 is an abundant number, since it is smaller than the sum of its proper divisors (137260134872).

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

120019869928 is a wasteful number, since it uses less digits than its factorization.

120019869928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788089 (or 788085 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 55.

The spelling of 120019869928 in words is "one hundred twenty billion, nineteen million, eight hundred sixty-nine thousand, nine hundred twenty-eight".