20122211022 has 32 divisors (see below), whose sum is σ = 42381669120. Its totient is φ = 6351514560.

The previous prime is 20122211009. The next prime is 20122211059. The reversal of 20122211022 is 22011222102.

It is a junction number, because it is equal to n+sod(n) for n = 20122210992 and 20122211010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221343 + ... + 298725.

It is an arithmetic number, because the mean of its divisors is an integer number (1324427160).

Almost surely, 2^20122211022 is an apocalyptic number.

20122211022 is an abundant number, since it is smaller than the sum of its proper divisors (22259458098).

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

20122211022 is a wasteful number, since it uses less digits than its factorization.

20122211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79688.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20122211022 its reverse (22011222102), we get a palindrome (42133433124).

The spelling of 20122211022 in words is "twenty billion, one hundred twenty-two million, two hundred eleven thousand, twenty-two".