220015452 has 12 divisors (see below), whose sum is σ = 513369416. Its totient is φ = 73338480.

The previous prime is 220015451. The next prime is 220015469. The reversal of 220015452 is 254510022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220015451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9167299 + ... + 9167322.

Almost surely, 2^220015452 is an apocalyptic number.

It is an amenable number.

220015452 is an abundant number, since it is smaller than the sum of its proper divisors (293353964).

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

220015452 is a wasteful number, since it uses less digits than its factorization.

220015452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18334628 (or 18334626 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 220015452 is about 14832.9178518591. The cubic root of 220015452 is about 603.6952068034.

Adding to 220015452 its reverse (254510022), we get a palindrome (474525474).

The spelling of 220015452 in words is "two hundred twenty million, fifteen thousand, four hundred fifty-two".