20084373018 has 24 divisors (see below), whose sum is σ = 44253705600. Its totient is φ = 6581319624.

The previous prime is 20084372999. The next prime is 20084373061. The reversal of 20084373018 is 81037348002.

20084373018 is a `hidden beast` number, since 200 + 8 + 437 + 3 + 0 + 18 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9454858 + ... + 9456981.

It is an arithmetic number, because the mean of its divisors is an integer number (1843904400).

Almost surely, 2^20084373018 is an apocalyptic number.

20084373018 is an abundant number, since it is smaller than the sum of its proper divisors (24169332582).

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

20084373018 is a wasteful number, since it uses less digits than its factorization.

20084373018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18911906 (or 18911903 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 20084373018 in words is "twenty billion, eighty-four million, three hundred seventy-three thousand, eighteen".