202190980 has 12 divisors (see below), whose sum is σ = 424601100. Its totient is φ = 80876384.

The previous prime is 202190969. The next prime is 202190983. The reversal of 202190980 is 89091202.

It can be written as a sum of positive squares in 2 ways, for example, as 50211396 + 151979584 = 7086^2 + 12328^2 .

It is not an unprimeable number, because it can be changed into a prime (202190983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5054755 + ... + 5054794.

It is an arithmetic number, because the mean of its divisors is an integer number (35383425).

Almost surely, 2^202190980 is an apocalyptic number.

202190980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202190980 is an abundant number, since it is smaller than the sum of its proper divisors (222410120).

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

202190980 is a wasteful number, since it uses less digits than its factorization.

202190980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109558 (or 10109556 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 202190980 is about 14219.3874692267. The cubic root of 202190980 is about 586.9312848663.

The spelling of 202190980 in words is "two hundred two million, one hundred ninety thousand, nine hundred eighty".