20112022 has 16 divisors (see below), whose sum is σ = 35667360. Its totient is φ = 8322048.

The previous prime is 20112007. The next prime is 20112023. The reversal of 20112022 is 22021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112023) 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, 24363 + ... + 25174.

It is an arithmetic number, because the mean of its divisors is an integer number (2229210).

Almost surely, 2^20112022 is an apocalyptic number.

20112022 is a deficient number, since it is larger than the sum of its proper divisors (15555338).

20112022 is a wasteful number, since it uses less digits than its factorization.

20112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49575.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 20112022 is about 4484.6429066315. The cubic root of 20112022 is about 271.9476092146.

Adding to 20112022 its reverse (22021102), we get a palindrome (42133124).

The spelling of 20112022 in words is "twenty million, one hundred twelve thousand, twenty-two".