201020220198 has 48 divisors (see below), whose sum is σ = 505193694720. Its totient is φ = 56577117168.

The previous prime is 201020220143. The next prime is 201020220227. The reversal of 201020220198 is 891022020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11897518 + ... + 11914401.

It is an arithmetic number, because the mean of its divisors is an integer number (10524868640).

Almost surely, 2^201020220198 is an apocalyptic number.

201020220198 is an abundant number, since it is smaller than the sum of its proper divisors (304173474522).

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

201020220198 is a wasteful number, since it uses less digits than its factorization.

201020220198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23812001 (or 23811998 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 201020220198 in words is "two hundred one billion, twenty million, two hundred twenty thousand, one hundred ninety-eight".