202021010220 has 48 divisors (see below), whose sum is σ = 565720565760. Its totient is φ = 53866389696.

The previous prime is 202021010207. The next prime is 202021010251. The reversal of 202021010220 is 22010120202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 202021010196 and 202021010205.

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, 385141 + ... + 743219.

It is an arithmetic number, because the mean of its divisors is an integer number (11785845120).

Almost surely, 2^202021010220 is an apocalyptic number.

202021010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021010220 is an abundant number, since it is smaller than the sum of its proper divisors (363699555540).

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

202021010220 is a wasteful number, since it uses less digits than its factorization.

202021010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367494 (or 367492 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202021010220 its reverse (22010120202), we get a palindrome (224031130422).

The spelling of 202021010220 in words is "two hundred two billion, twenty-one million, ten thousand, two hundred twenty".