220042102250 has 32 divisors (see below), whose sum is σ = 412926143760. Its totient is φ = 87801600000.

The previous prime is 220042102249. The next prime is 220042102253. The reversal of 220042102250 is 52201240022.

It can be written as a sum of positive squares in 8 ways, for example, as 105430739401 + 114611362849 = 324701^2 + 338543^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220042102253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973751 + ... + 1178250.

Almost surely, 2^220042102250 is an apocalyptic number.

220042102250 is a deficient number, since it is larger than the sum of its proper divisors (192884041510).

220042102250 is a wasteful number, since it uses less digits than its factorization.

220042102250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152427 (or 2152417 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 220042102250 its reverse (52201240022), we get a palindrome (272243342272).

The spelling of 220042102250 in words is "two hundred twenty billion, forty-two million, one hundred two thousand, two hundred fifty".