20140122 has 16 divisors (see below), whose sum is σ = 40963680. Its totient is φ = 6599472.

The previous prime is 20140097. The next prime is 20140151. The reversal of 20140122 is 22104102.

It is a junction number, because it is equal to n+sod(n) for n = 20140098 and 20140107.

It is an unprimeable number.

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, 28093 + ... + 28800.

It is an arithmetic number, because the mean of its divisors is an integer number (2560230).

Almost surely, 2^20140122 is an apocalyptic number.

20140122 is an abundant number, since it is smaller than the sum of its proper divisors (20823558).

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

20140122 is a wasteful number, since it uses less digits than its factorization.

20140122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56957.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20140122 is about 4487.7747269666. The cubic root of 20140122 is about 272.0742030107.

Adding to 20140122 its reverse (22104102), we get a palindrome (42244224).

The spelling of 20140122 in words is "twenty million, one hundred forty thousand, one hundred twenty-two".