213690580 has 24 divisors (see below), whose sum is σ = 449029728. Its totient is φ = 85423008.

The previous prime is 213690569. The next prime is 213690593. The reversal of 213690580 is 85096312.

213690580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52167 + ... + 56113.

It is an arithmetic number, because the mean of its divisors is an integer number (18709572).

Almost surely, 2^213690580 is an apocalyptic number.

213690580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213690580 is an abundant number, since it is smaller than the sum of its proper divisors (235339148).

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

213690580 is a wasteful number, since it uses less digits than its factorization.

213690580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 213690580 is about 14618.1592548446. The cubic root of 213690580 is about 597.8539816413.

The spelling of 213690580 in words is "two hundred thirteen million, six hundred ninety thousand, five hundred eighty".