20456122 has 16 divisors (see below), whose sum is σ = 32400000. Its totient is φ = 9659520.

The previous prime is 20456113. The next prime is 20456123. The reversal of 20456122 is 22165402.

It is a junction number, because it is equal to n+sod(n) for n = 20456093 and 20456102.

It is not an unprimeable number, because it can be changed into a prime (20456123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15754 + ... + 17002.

It is an arithmetic number, because the mean of its divisors is an integer number (2025000).

Almost surely, 2^20456122 is an apocalyptic number.

20456122 is a deficient number, since it is larger than the sum of its proper divisors (11943878).

20456122 is a wasteful number, since it uses less digits than its factorization.

20456122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20456122 is about 4522.8444589661. The cubic root of 20456122 is about 273.4897798943.

The spelling of 20456122 in words is "twenty million, four hundred fifty-six thousand, one hundred twenty-two".