20113122 has 8 divisors (see below), whose sum is σ = 40226256. Its totient is φ = 6704372.

The previous prime is 20113099. The next prime is 20113123. The reversal of 20113122 is 22131102.

It is a sphenic number, since it is the product of 3 distinct primes.

20113122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20113098 and 20113107.

It is not an unprimeable number, because it can be changed into a prime (20113123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676088 + ... + 1676099.

It is an arithmetic number, because the mean of its divisors is an integer number (5028282).

Almost surely, 2^20113122 is an apocalyptic number.

20113122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20113122 is a wasteful number, since it uses less digits than its factorization.

20113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352192.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20113122 is about 4484.7655457114. The cubic root of 20113122 is about 271.9525670605.

Adding to 20113122 its reverse (22131102), we get a palindrome (42244224).

The spelling of 20113122 in words is "twenty million, one hundred thirteen thousand, one hundred twenty-two".