215465030220 has 96 divisors (see below), whose sum is σ = 658222016256. Its totient is φ = 52228051200.

The previous prime is 215465030219. The next prime is 215465030233. The reversal of 215465030220 is 22030564512.

215465030220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 9770847 + ... + 9792873.

It is an arithmetic number, because the mean of its divisors is an integer number (6856479336).

Almost surely, 2^215465030220 is an apocalyptic number.

215465030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215465030220 is an abundant number, since it is smaller than the sum of its proper divisors (442756986036).

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

215465030220 is a wasteful number, since it uses less digits than its factorization.

215465030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36871 (or 36869 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 215465030220 its reverse (22030564512), we get a palindrome (237495594732).

The spelling of 215465030220 in words is "two hundred fifteen billion, four hundred sixty-five million, thirty thousand, two hundred twenty".