220220020642 has 16 divisors (see below), whose sum is σ = 334988784000. Its totient is φ = 108561070800.

The previous prime is 220220020633. The next prime is 220220020679. The reversal of 220220020642 is 246020022022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883392 + ... + 1104907.

It is an arithmetic number, because the mean of its divisors is an integer number (20936799000).

Almost surely, 2^220220020642 is an apocalyptic number.

220220020642 is a deficient number, since it is larger than the sum of its proper divisors (114768763358).

220220020642 is a wasteful number, since it uses less digits than its factorization.

220220020642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989081.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 220220020642 its reverse (246020022022), we get a palindrome (466240042664).

The spelling of 220220020642 in words is "two hundred twenty billion, two hundred twenty million, twenty thousand, six hundred forty-two".