20022202220 has 12 divisors (see below), whose sum is σ = 42046624704. Its totient is φ = 8008880880.

The previous prime is 20022202201. The next prime is 20022202267. The reversal of 20022202220 is 2220222002.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20022202195 and 20022202204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500555036 + ... + 500555075.

It is an arithmetic number, because the mean of its divisors is an integer number (3503885392).

Almost surely, 2^20022202220 is an apocalyptic number.

20022202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022202220 is an abundant number, since it is smaller than the sum of its proper divisors (22024422484).

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

20022202220 is a wasteful number, since it uses less digits than its factorization.

20022202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001110120 (or 1001110118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20022202220 its reverse (2220222002), we get a palindrome (22242424222).

The spelling of 20022202220 in words is "twenty billion, twenty-two million, two hundred two thousand, two hundred twenty".