220220021022 has 16 divisors (see below), whose sum is σ = 443608677120. Its totient is φ = 72878567832.

The previous prime is 220220021009. The next prime is 220220021039. The reversal of 220220021022 is 220120022022.

It is a junction number, because it is equal to n+sod(n) for n = 220220020992 and 220220021010.

It is a congruent number.

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, 132025558 + ... + 132027225.

It is an arithmetic number, because the mean of its divisors is an integer number (27725542320).

Almost surely, 2^220220021022 is an apocalyptic number.

220220021022 is an abundant number, since it is smaller than the sum of its proper divisors (223388656098).

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

220220021022 is a wasteful number, since it uses less digits than its factorization.

220220021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264052927.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220220021022 its reverse (220120022022), we get a palindrome (440340043044).

It can be divided in two parts, 2202200 and 21022, that added together give a palindrome (2223222).

The spelling of 220220021022 in words is "two hundred twenty billion, two hundred twenty million, twenty-one thousand, twenty-two".