213733260 has 144 divisors (see below), whose sum is σ = 702942240. Its totient is φ = 52254720.

The previous prime is 213733213. The next prime is 213733297. The reversal of 213733260 is 62337312.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 563751 + ... + 564129.

Almost surely, 2^213733260 is an apocalyptic number.

213733260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213733260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351471120).

213733260 is an abundant number, since it is smaller than the sum of its proper divisors (489208980).

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

213733260 is a wasteful number, since it uses less digits than its factorization.

213733260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 213733260 is about 14619.6190100837. The cubic root of 213733260 is about 597.8937817257.

The spelling of 213733260 in words is "two hundred thirteen million, seven hundred thirty-three thousand, two hundred sixty".