220232015 has 32 divisors (see below), whose sum is σ = 283654656. Its totient is φ = 163785600.

The previous prime is 220232009. The next prime is 220232041. The reversal of 220232015 is 510232022.

220232015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220232015 - 2¹⁰ = 220230991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220231984 and 220232002.

It is a congruent 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, 778064 + ... + 778346.

It is an arithmetic number, because the mean of its divisors is an integer number (8864208).

Almost surely, 2^220232015 is an apocalyptic number.

220232015 is a deficient number, since it is larger than the sum of its proper divisors (63422641).

220232015 is a wasteful number, since it uses less digits than its factorization.

220232015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 220232015 is about 14840.2161372401. The cubic root of 220232015 is about 603.8932158853.

Adding to 220232015 its reverse (510232022), we get a palindrome (730464037).

The spelling of 220232015 in words is "two hundred twenty million, two hundred thirty-two thousand, fifteen".