20202220022 has 16 divisors (see below), whose sum is σ = 31902926640. Its totient is φ = 9568067328.

The previous prime is 20202220009. The next prime is 20202220057. The reversal of 20202220022 is 22002220202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20202219979 and 20202220006.

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, 251138 + ... + 321674.

It is an arithmetic number, because the mean of its divisors is an integer number (1993932915).

Almost surely, 2^20202220022 is an apocalyptic number.

20202220022 is a deficient number, since it is larger than the sum of its proper divisors (11700706618).

20202220022 is a wasteful number, since it uses less digits than its factorization.

20202220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78095.

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

Adding to 20202220022 its reverse (22002220202), we get a palindrome (42204440224).

It can be divided in two parts, 20202 and 220022, that multiplied together give a palindrome (4444884444).

The spelling of 20202220022 in words is "twenty billion, two hundred two million, two hundred twenty thousand, twenty-two".