220125242 has 4 divisors (see below), whose sum is σ = 330187866. Its totient is φ = 110062620.

The previous prime is 220125211. The next prime is 220125251. The reversal of 220125242 is 242521022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 149548441 + 70576801 = 12229^2 + 8401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55031309 + ... + 55031312.

Almost surely, 2^220125242 is an apocalyptic number.

220125242 is a deficient number, since it is larger than the sum of its proper divisors (110062624).

220125242 is a wasteful number, since it uses less digits than its factorization.

220125242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110062623.

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

The square root of 220125242 is about 14836.6182804573. The cubic root of 220125242 is about 603.7956068350.

Adding to 220125242 its reverse (242521022), we get a palindrome (462646264).

The spelling of 220125242 in words is "two hundred twenty million, one hundred twenty-five thousand, two hundred forty-two".