213075980 has 24 divisors (see below), whose sum is σ = 481880112. Its totient is φ = 78674112.

The previous prime is 213075931. The next prime is 213076009. The reversal of 213075980 is 89570312.

It is a self number, because there is not a number n which added to its sum of digits gives 213075980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409502 + ... + 410021.

It is an arithmetic number, because the mean of its divisors is an integer number (20078338).

Almost surely, 2^213075980 is an apocalyptic number.

213075980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213075980 is an abundant number, since it is smaller than the sum of its proper divisors (268804132).

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

213075980 is a wasteful number, since it uses less digits than its factorization.

213075980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819545 (or 819543 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 213075980 is about 14597.1223191422. The cubic root of 213075980 is about 597.2802644324.

The spelling of 213075980 in words is "two hundred thirteen million, seventy-five thousand, nine hundred eighty".