20202011111998 has 16 divisors (see below), whose sum is σ = 30383932947120. Its totient is φ = 10074066218496.

The previous prime is 20202011111977. The next prime is 20202011112043. The reversal of 20202011111998 is 89911111020202.

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, 6954436 + ... + 9421687.

It is an arithmetic number, because the mean of its divisors is an integer number (1898995809195).

Almost surely, 2^{20202011111998} is an apocalyptic number.

20202011111998 is a deficient number, since it is larger than the sum of its proper divisors (10181921835122).

20202011111998 is a wasteful number, since it uses less digits than its factorization.

20202011111998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377771.

The product of its (nonzero) digits is 5184, while the sum is 37.

The spelling of 20202011111998 in words is "twenty trillion, two hundred two billion, eleven million, one hundred eleven thousand, nine hundred ninety-eight".