215342300 has 36 divisors (see below), whose sum is σ = 468443976. Its totient is φ = 85924800.

The previous prime is 215342287. The next prime is 215342321. The reversal of 215342300 is 3243512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41870 + ... + 46730.

Almost surely, 2^215342300 is an apocalyptic number.

215342300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215342300 is an abundant number, since it is smaller than the sum of its proper divisors (253101676).

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

215342300 is a wasteful number, since it uses less digits than its factorization.

215342300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 215342300 is about 14674.5459895698. The cubic root of 215342300 is about 599.3903993734.

Adding to 215342300 its reverse (3243512), we get a palindrome (218585812).

The spelling of 215342300 in words is "two hundred fifteen million, three hundred forty-two thousand, three hundred".