215220230610 has 64 divisors (see below), whose sum is σ = 643983657984. Its totient is φ = 44721086400.

The previous prime is 215220230591. The next prime is 215220230651. The reversal of 215220230610 is 16032022512.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46582156 + ... + 46586775.

It is an arithmetic number, because the mean of its divisors is an integer number (10062244656).

Almost surely, 2^215220230610 is an apocalyptic number.

215220230610 is an abundant number, since it is smaller than the sum of its proper divisors (428763427374).

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

215220230610 is a wasteful number, since it uses less digits than its factorization.

215220230610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93168959.

The product of its (nonzero) digits is 1440, while the sum is 24.

It can be divided in two parts, 2152202 and 30610, that added together give a palindrome (2182812).

The spelling of 215220230610 in words is "two hundred fifteen billion, two hundred twenty million, two hundred thirty thousand, six hundred ten".