215335503220 has 48 divisors (see below), whose sum is σ = 468045527040. Its totient is φ = 83120019584.

The previous prime is 215335503211. The next prime is 215335503233. The reversal of 215335503220 is 22305533512.

215335503220 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008717 + ... + 1203403.

It is an arithmetic number, because the mean of its divisors is an integer number (9750948480).

Almost surely, 2^215335503220 is an apocalyptic number.

215335503220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215335503220 is an abundant number, since it is smaller than the sum of its proper divisors (252710023820).

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

215335503220 is a wasteful number, since it uses less digits than its factorization.

215335503220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196632 (or 196630 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 215335503220 in words is "two hundred fifteen billion, three hundred thirty-five million, five hundred three thousand, two hundred twenty".