20045500204 has 6 divisors (see below), whose sum is σ = 35079625364. Its totient is φ = 10022750100.

The previous prime is 20045500183. The next prime is 20045500217. The reversal of 20045500204 is 40200554002.

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, 2505687522 + ... + 2505687529.

Almost surely, 2^20045500204 is an apocalyptic number.

It is an amenable number.

20045500204 is a deficient number, since it is larger than the sum of its proper divisors (15034125160).

20045500204 is a wasteful number, since it uses less digits than its factorization.

20045500204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011375055 (or 5011375053 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The spelling of 20045500204 in words is "twenty billion, forty-five million, five hundred thousand, two hundred four".