20331122 has 8 divisors (see below), whose sum is σ = 34853376. Its totient is φ = 8713332.

The previous prime is 20331109. The next prime is 20331127. The reversal of 20331122 is 22113302.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1452223 = 20331122 / (2 + 0 + 3 + 3 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 20331097 and 20331106.

It is not an unprimeable number, because it can be changed into a prime (20331127) 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, 726098 + ... + 726125.

It is an arithmetic number, because the mean of its divisors is an integer number (4356672).

Almost surely, 2^20331122 is an apocalyptic number.

20331122 is a deficient number, since it is larger than the sum of its proper divisors (14522254).

20331122 is a wasteful number, since it uses less digits than its factorization.

20331122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452232.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20331122 is about 4509.0045464603. The cubic root of 20331122 is about 272.9315754755.

Adding to 20331122 its reverse (22113302), we get a palindrome (42444424).

The spelling of 20331122 in words is "twenty million, three hundred thirty-one thousand, one hundred twenty-two".