120019899738 has 32 divisors (see below), whose sum is σ = 249068925504. Its totient is φ = 38524073472.

The previous prime is 120019899691. The next prime is 120019899749. The reversal of 120019899738 is 837998910021.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2765220 + ... + 2808287.

It is an arithmetic number, because the mean of its divisors is an integer number (7783403922).

Almost surely, 2^120019899738 is an apocalyptic number.

120019899738 is an abundant number, since it is smaller than the sum of its proper divisors (129049025766).

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

120019899738 is a wasteful number, since it uses less digits than its factorization.

120019899738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573646.

The product of its (nonzero) digits is 1959552, while the sum is 57.

The spelling of 120019899738 in words is "one hundred twenty billion, nineteen million, eight hundred ninety-nine thousand, seven hundred thirty-eight".