220242052 has 6 divisors (see below), whose sum is σ = 385423598. Its totient is φ = 110121024.

The previous prime is 220242049. The next prime is 220242131. The reversal of 220242052 is 250242022.

It can be written as a sum of positive squares in only one way, i.e., 213861376 + 6380676 = 14624^2 + 2526^2 .

It is a super-2 number, since 2×220242052² = 97013122938341408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27530253 + ... + 27530260.

Almost surely, 2^220242052 is an apocalyptic number.

It is an amenable number.

220242052 is a deficient number, since it is larger than the sum of its proper divisors (165181546).

220242052 is a wasteful number, since it uses less digits than its factorization.

220242052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55060517 (or 55060515 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 220242052 is about 14840.5543023163. The cubic root of 220242052 is about 603.9023898227.

Adding to 220242052 its reverse (250242022), we get a palindrome (470484074).

The spelling of 220242052 in words is "two hundred twenty million, two hundred forty-two thousand, fifty-two".