120204920456 has 16 divisors (see below), whose sum is σ = 225396807900. Its totient is φ = 60099105024.

The previous prime is 120204920419. The next prime is 120204920467. The reversal of 120204920456 is 654029402021.

It can be written as a sum of positive squares in 2 ways, for example, as 100698328900 + 19506591556 = 317330^2 + 139666^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 263741 + ... + 556748.

Almost surely, 2^120204920456 is an apocalyptic number.

It is an amenable number.

120204920456 is a deficient number, since it is larger than the sum of its proper divisors (105191887444).

120204920456 is a wasteful number, since it uses less digits than its factorization.

120204920456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838808 (or 838804 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 120204920456 in words is "one hundred twenty billion, two hundred four million, nine hundred twenty thousand, four hundred fifty-six".