210980080 has 20 divisors (see below), whose sum is σ = 490528872. Its totient is φ = 84392000.

The previous prime is 210980071. The next prime is 210980083. The reversal of 210980080 is 80089012.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210980083) by changing a digit.

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, 1318546 + ... + 1318705.

Almost surely, 2^210980080 is an apocalyptic number.

210980080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210980080 is an abundant number, since it is smaller than the sum of its proper divisors (279548792).

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

210980080 is a wasteful number, since it uses less digits than its factorization.

210980080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637264 (or 2637258 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 210980080 is about 14525.1533554727. The cubic root of 210980080 is about 595.3154460373.

The spelling of 210980080 in words is "two hundred ten million, nine hundred eighty thousand, eighty".