20200311998 has 16 divisors (see below), whose sum is σ = 30813955200. Its totient is φ = 9929594136.

The previous prime is 20200311953. The next prime is 20200312003. The reversal of 20200311998 is 89911300202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82448 + ... + 217251.

It is an arithmetic number, because the mean of its divisors is an integer number (1925872200).

Almost surely, 2^20200311998 is an apocalyptic number.

20200311998 is a deficient number, since it is larger than the sum of its proper divisors (10613643202).

20200311998 is a wasteful number, since it uses less digits than its factorization.

20200311998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300271.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 20200311998 in words is "twenty billion, two hundred million, three hundred eleven thousand, nine hundred ninety-eight".