20221311022 has 32 divisors (see below), whose sum is σ = 33820156800. Its totient is φ = 8990210400.

The previous prime is 20221310981. The next prime is 20221311037. The reversal of 20221311022 is 22011312202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20221310987 and 20221311005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198129 + ... + 282307.

It is an arithmetic number, because the mean of its divisors is an integer number (1056879900).

Almost surely, 2^20221311022 is an apocalyptic number.

20221311022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20221311022 is a deficient number, since it is larger than the sum of its proper divisors (13598845778).

20221311022 is a wasteful number, since it uses less digits than its factorization.

20221311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84432.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20221311022 its reverse (22011312202), we get a palindrome (42232623224).

The spelling of 20221311022 in words is "twenty billion, two hundred twenty-one million, three hundred eleven thousand, twenty-two".