202055020 has 24 divisors (see below), whose sum is σ = 426477744. Its totient is φ = 80410176.

The previous prime is 202055003. The next prime is 202055041. The reversal of 202055020 is 20550202.

It is a super-2 number, since 2×202055020² = 81652462214400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202054985 and 202055003.

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, 21702 + ... + 29581.

It is an arithmetic number, because the mean of its divisors is an integer number (17769906).

Almost surely, 2^202055020 is an apocalyptic number.

202055020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202055020 is an abundant number, since it is smaller than the sum of its proper divisors (224422724).

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

202055020 is a wasteful number, since it uses less digits than its factorization.

202055020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51489 (or 51487 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 202055020 is about 14214.6058686127. The cubic root of 202055020 is about 586.7996979367.

The spelling of 202055020 in words is "two hundred two million, fifty-five thousand, twenty".