202018200004 has 6 divisors (see below), whose sum is σ = 353531850014. Its totient is φ = 101009100000.

The previous prime is 202018199989. The next prime is 202018200047. The reversal of 202018200004 is 400002810202.

It can be written as a sum of positive squares in only one way, i.e., 137551974400 + 64466225604 = 370880^2 + 253902^2 .

It is a super-2 number, since 2×202018200004² (a number of 23 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 25252274997 + ... + 25252275004.

Almost surely, 2^202018200004 is an apocalyptic number.

It is an amenable number.

202018200004 is a deficient number, since it is larger than the sum of its proper divisors (151513650010).

202018200004 is a wasteful number, since it uses less digits than its factorization.

202018200004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50504550005 (or 50504550003 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The spelling of 202018200004 in words is "two hundred two billion, eighteen million, two hundred thousand, four".