202499980 has 12 divisors (see below), whose sum is σ = 425250000. Its totient is φ = 80999984.

The previous prime is 202499959. The next prime is 202500031. The reversal of 202499980 is 89994202.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 5062480 + ... + 5062519.

It is an arithmetic number, because the mean of its divisors is an integer number (35437500).

Almost surely, 2^202499980 is an apocalyptic number.

202499980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202499980 is an abundant number, since it is smaller than the sum of its proper divisors (222750020).

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

202499980 is a wasteful number, since it uses less digits than its factorization.

202499980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125008 (or 10125006 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 202499980 is about 14230.2487680293. The cubic root of 202499980 is about 587.2301268426.

The spelling of 202499980 in words is "two hundred two million, four hundred ninety-nine thousand, nine hundred eighty".