220034642 has 4 divisors (see below), whose sum is σ = 330051966. Its totient is φ = 110017320.

The previous prime is 220034623. The next prime is 220034651. The reversal of 220034642 is 246430022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246430022 = 2 ⋅123215011.

It can be written as a sum of positive squares in only one way, i.e., 214886281 + 5148361 = 14659^2 + 2269^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55008659 + ... + 55008662.

Almost surely, 2^220034642 is an apocalyptic number.

220034642 is a deficient number, since it is larger than the sum of its proper divisors (110017324).

220034642 is a wasteful number, since it uses less digits than its factorization.

220034642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110017323.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 220034642 is about 14833.5647098059. The cubic root of 220034642 is about 603.7127579558.

Adding to 220034642 its reverse (246430022), we get a palindrome (466464664).

The spelling of 220034642 in words is "two hundred twenty million, thirty-four thousand, six hundred forty-two".