200020091015 has 16 divisors (see below), whose sum is σ = 242454956832. Its totient is φ = 158397825024.

The previous prime is 200020091003. The next prime is 200020091057. The reversal of 200020091015 is 510190020002.

It is a cyclic number.

It is not a de Polignac number, because 200020091015 - 2¹⁰ = 200020089991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549767 + ... + 838023.

It is an arithmetic number, because the mean of its divisors is an integer number (15153434802).

Almost surely, 2^200020091015 is an apocalyptic number.

200020091015 is a deficient number, since it is larger than the sum of its proper divisors (42434865817).

200020091015 is a wasteful number, since it uses less digits than its factorization.

200020091015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289666.

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 200020091015 in words is "two hundred billion, twenty million, ninety-one thousand, fifteen".