220042252 has 6 divisors (see below), whose sum is σ = 385073948. Its totient is φ = 110021124.

The previous prime is 220042241. The next prime is 220042253. The reversal of 220042252 is 252240022.

It is not an unprimeable number, because it can be changed into a prime (220042253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505278 + ... + 27505285.

Almost surely, 2^220042252 is an apocalyptic number.

It is an amenable number.

220042252 is a deficient number, since it is larger than the sum of its proper divisors (165031696).

220042252 is a wasteful number, since it uses less digits than its factorization.

220042252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010567 (or 55010565 counting only the distinct ones).

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

The square root of 220042252 is about 14833.8212204408. The cubic root of 220042252 is about 603.7197177707.

Adding to 220042252 its reverse (252240022), we get a palindrome (472282274).

The spelling of 220042252 in words is "two hundred twenty million, forty-two thousand, two hundred fifty-two".