220124220242 has 4 divisors (see below), whose sum is σ = 330186330366. Its totient is φ = 110062110120.

The previous prime is 220124220227. The next prime is 220124220247. The reversal of 220124220242 is 242022421022.

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., 219107311921 + 1016908321 = 468089^2 + 31889^2 .

It is not an unprimeable number, because it can be changed into a prime (220124220247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55031055059 + ... + 55031055062.

Almost surely, 2^220124220242 is an apocalyptic number.

220124220242 is a deficient number, since it is larger than the sum of its proper divisors (110062110124).

220124220242 is a wasteful number, since it uses less digits than its factorization.

220124220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110062110123.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 220124220242 its reverse (242022421022), we get a palindrome (462146641264).

The spelling of 220124220242 in words is "two hundred twenty billion, one hundred twenty-four million, two hundred twenty thousand, two hundred forty-two".