220450534242 has 32 divisors (see below), whose sum is σ = 447162716160. Its totient is φ = 72440143440.

The previous prime is 220450534223. The next prime is 220450534261. The reversal of 220450534242 is 242435054022.

It is an interprime number because it is at equal distance from previous prime (220450534223) and next prime (220450534261).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4432509 + ... + 4481967.

It is an arithmetic number, because the mean of its divisors is an integer number (13973834880).

Almost surely, 2^220450534242 is an apocalyptic number.

220450534242 is an abundant number, since it is smaller than the sum of its proper divisors (226712181918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220450534242 is a wasteful number, since it uses less digits than its factorization.

220450534242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59998.

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 220450534242 its reverse (242435054022), we get a palindrome (462885588264).

The spelling of 220450534242 in words is "two hundred twenty billion, four hundred fifty million, five hundred thirty-four thousand, two hundred forty-two".