202001220220100 has 144 divisors (see below), whose sum is σ = 522936396595200. Its totient is φ = 66221984315520.

The previous prime is 202001220220039. The next prime is 202001220220153. The reversal of 202001220220100 is 1022022100202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41468681 + ... + 46083119.

Almost surely, 2^{202001220220100} is an apocalyptic number.

202001220220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202001220220100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261468198297600).

202001220220100 is an abundant number, since it is smaller than the sum of its proper divisors (320935176375100).

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

202001220220100 is a wasteful number, since it uses less digits than its factorization.

202001220220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617202 (or 4617195 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202001220220100 its reverse (1022022100202), we get a palindrome (203023242320302).

The spelling of 202001220220100 in words is "two hundred two trillion, one billion, two hundred twenty million, two hundred twenty thousand, one hundred".