202881980 has 48 divisors (see below), whose sum is σ = 502634496. Its totient is φ = 67314240.

The previous prime is 202881967. The next prime is 202881983. The reversal of 202881980 is 89188202.

202881980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202881980² = 82322195617440800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202881983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19034 + ... + 27713.

It is an arithmetic number, because the mean of its divisors is an integer number (10471552).

Almost surely, 2^202881980 is an apocalyptic number.

202881980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202881980 is an abundant number, since it is smaller than the sum of its proper divisors (299752516).

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

202881980 is a wasteful number, since it uses less digits than its factorization.

202881980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46794 (or 46792 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 202881980 is about 14243.6645565669. The cubic root of 202881980 is about 587.5991491029.

The spelling of 202881980 in words is "two hundred two million, eight hundred eighty-one thousand, nine hundred eighty".