17900520122 has 8 divisors (see below), whose sum is σ = 28263979200. Its totient is φ = 8479193724.

The previous prime is 17900520119. The next prime is 17900520163. The reversal of 17900520122 is 22102500971.

17900520122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235533122 + ... + 235533197.

It is an arithmetic number, because the mean of its divisors is an integer number (3532997400).

Almost surely, 2^17900520122 is an apocalyptic number.

17900520122 is a deficient number, since it is larger than the sum of its proper divisors (10363459078).

17900520122 is a wasteful number, since it uses less digits than its factorization.

17900520122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471066340.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 17900520122 in words is "seventeen billion, nine hundred million, five hundred twenty thousand, one hundred twenty-two".