202202020 has 24 divisors (see below), whose sum is σ = 424968768. Its totient is φ = 80815200.

The previous prime is 202202017. The next prime is 202202041. The reversal of 202202020 is 20202202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 202201988 and 202202006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26875 + ... + 33565.

It is an arithmetic number, because the mean of its divisors is an integer number (17707032).

Almost surely, 2^202202020 is an apocalyptic number.

202202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202202020 is an abundant number, since it is smaller than the sum of its proper divisors (222766748).

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

202202020 is a wasteful number, since it uses less digits than its factorization.

202202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211 (or 8209 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 202202020 is about 14219.7756663036. The cubic root of 202202020 is about 586.9419671817.

Adding to 202202020 its reverse (20202202), we get a palindrome (222404222).

The spelling of 202202020 in words is "two hundred two million, two hundred two thousand, twenty".