202201011020 has 48 divisors (see below), whose sum is σ = 432297492480. Its totient is φ = 79421467584.

The previous prime is 202201010971. The next prime is 202201011041. The reversal of 202201011020 is 20110102202.

It is a happy number.

It is a super-2 number, since 2×202201011020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202201010992 and 202201011010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975797 + ... + 1164723.

It is an arithmetic number, because the mean of its divisors is an integer number (9006197760).

Almost surely, 2^202201011020 is an apocalyptic number.

202201011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201011020 is an abundant number, since it is smaller than the sum of its proper divisors (230096481460).

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

202201011020 is a wasteful number, since it uses less digits than its factorization.

202201011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189902 (or 189900 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202201011020 its reverse (20110102202), we get a palindrome (222311113222).

The spelling of 202201011020 in words is "two hundred two billion, two hundred one million, eleven thousand, twenty".