201079715920 has 40 divisors (see below), whose sum is σ = 467791773696. Its totient is φ = 80383467648.

The previous prime is 201079715899. The next prime is 201079715933. The reversal of 201079715920 is 29517970102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-5 number, since 5×201079715920⁵ (a number of 58 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622672 + ... + 888751.

Almost surely, 2^201079715920 is an apocalyptic number.

201079715920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201079715920 is an abundant number, since it is smaller than the sum of its proper divisors (266712057776).

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

201079715920 is a wasteful number, since it uses less digits than its factorization.

201079715920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513099 (or 1513093 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 43.

The spelling of 201079715920 in words is "two hundred one billion, seventy-nine million, seven hundred fifteen thousand, nine hundred twenty".