20112220020022 has 16 divisors (see below), whose sum is σ = 32489044806960. Its totient is φ = 9282541941792.

The previous prime is 20112220020019. The next prime is 20112220020023. The reversal of 20112220020022 is 22002002221102.

It is a junction number, because it is equal to n+sod(n) for n = 20112220019978 and 20112220020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112220020023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21103729 + ... + 22036147.

It is an arithmetic number, because the mean of its divisors is an integer number (2030565300435).

Almost surely, 2^{20112220020022} is an apocalyptic number.

20112220020022 is a deficient number, since it is larger than the sum of its proper divisors (12376824786938).

20112220020022 is a wasteful number, since it uses less digits than its factorization.

20112220020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762047.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20112220020022 its reverse (22002002221102), we get a palindrome (42114222241124).

The spelling of 20112220020022 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, twenty thousand, twenty-two".