202955980 has 24 divisors (see below), whose sum is σ = 426924288. Its totient is φ = 81045888.

The previous prime is 202955971. The next prime is 202955993. The reversal of 202955980 is 89559202.

It is a super-2 number, since 2×202955980² = 82382259635520800, which contains 22 as substring.

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, 4117 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (17788512).

Almost surely, 2^202955980 is an apocalyptic number.

202955980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202955980 is an abundant number, since it is smaller than the sum of its proper divisors (223968308).

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

202955980 is a wasteful number, since it uses less digits than its factorization.

202955980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17073 (or 17071 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 202955980 is about 14246.2619658632. The cubic root of 202955980 is about 587.6705815214.

The spelling of 202955980 in words is "two hundred two million, nine hundred fifty-five thousand, nine hundred eighty".