213202830 has 32 divisors (see below), whose sum is σ = 518169600. Its totient is φ = 56133792.

The previous prime is 213202823. The next prime is 213202879. The reversal of 213202830 is 38202312.

It is a junction number, because it is equal to n+sod(n) for n = 213202797 and 213202806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42610 + ... + 47349.

It is an arithmetic number, because the mean of its divisors is an integer number (16192800).

Almost surely, 2^213202830 is an apocalyptic number.

213202830 is an abundant number, since it is smaller than the sum of its proper divisors (304966770).

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

213202830 is a wasteful number, since it uses less digits than its factorization.

213202830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90048.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 213202830 is about 14601.4667071497. The cubic root of 213202830 is about 597.3987667174.

The spelling of 213202830 in words is "two hundred thirteen million, two hundred two thousand, eight hundred thirty".