213377980 has 24 divisors (see below), whose sum is σ = 471678480. Its totient is φ = 80858880.

The previous prime is 213377971. The next prime is 213377987. The reversal of 213377980 is 89773312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213377987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280381 + ... + 281140.

It is an arithmetic number, because the mean of its divisors is an integer number (19653270).

Almost surely, 2^213377980 is an apocalyptic number.

213377980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213377980 is an abundant number, since it is smaller than the sum of its proper divisors (258300500).

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

213377980 is a wasteful number, since it uses less digits than its factorization.

213377980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561549 (or 561547 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 213377980 is about 14607.4631610010. The cubic root of 213377980 is about 597.5623132551.

The spelling of 213377980 in words is "two hundred thirteen million, three hundred seventy-seven thousand, nine hundred eighty".