20202011850188 has 48 divisors (see below), whose sum is σ = 40821508062720. Its totient is φ = 8568548292096.

The previous prime is 20202011850187. The next prime is 20202011850217. The reversal of 20202011850188 is 88105811020202.

It is not an unprimeable number, because it can be changed into a prime (20202011850187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221762033 + ... + 221853111.

It is an arithmetic number, because the mean of its divisors is an integer number (850448084640).

Almost surely, 2^{20202011850188} is an apocalyptic number.

20202011850188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20202011850188 is an abundant number, since it is smaller than the sum of its proper divisors (20619496212532).

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

20202011850188 is a wasteful number, since it uses less digits than its factorization.

20202011850188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172854 (or 172852 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 38.

The spelling of 20202011850188 in words is "twenty trillion, two hundred two billion, eleven million, eight hundred fifty thousand, one hundred eighty-eight".