20366122 has 16 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 8707248.

The previous prime is 20366117. The next prime is 20366123. The reversal of 20366122 is 22166302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20366093 and 20366102.

It is not an unprimeable number, because it can be changed into a prime (20366123) 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, 5188 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^20366122 is an apocalyptic number.

20366122 is a deficient number, since it is larger than the sum of its proper divisors (14631638).

20366122 is a wasteful number, since it uses less digits than its factorization.

20366122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20366122 is about 4512.8840002819. The cubic root of 20366122 is about 273.0881028063.

The spelling of 20366122 in words is "twenty million, three hundred sixty-six thousand, one hundred twenty-two".