215133120 has 84 divisors (see below), whose sum is σ = 739978200. Its totient is φ = 57368064.

The previous prime is 215133103. The next prime is 215133137. The reversal of 215133120 is 21331512.

It is an interprime number because it is at equal distance from previous prime (215133103) and next prime (215133137).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 215133093 and 215133102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34470 + ... + 40229.

Almost surely, 2^215133120 is an apocalyptic number.

215133120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215133120 is an abundant number, since it is smaller than the sum of its proper divisors (524845080).

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

215133120 is a wasteful number, since it uses less digits than its factorization.

215133120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74722 (or 74709 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 215133120 is about 14667.4169505063. The cubic root of 215133120 is about 599.1962571431.

Adding to 215133120 its reverse (21331512), we get a palindrome (236464632).

The spelling of 215133120 in words is "two hundred fifteen million, one hundred thirty-three thousand, one hundred twenty".