20322126 has 48 divisors (see below), whose sum is σ = 48370608. Its totient is φ = 6115200.

The previous prime is 20322119. The next prime is 20322131. The reversal of 20322126 is 62122302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20322099 and 20322108.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 38746 + ... + 39266.

It is an arithmetic number, because the mean of its divisors is an integer number (1007721).

Almost surely, 2^20322126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24185304).

20322126 is an abundant number, since it is smaller than the sum of its proper divisors (28048482).

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

20322126 is a wasteful number, since it uses less digits than its factorization.

20322126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20322126 is about 4508.0068766585. The cubic root of 20322126 is about 272.8913144629.

Adding to 20322126 its reverse (62122302), we get a palindrome (82444428).

The spelling of 20322126 in words is "twenty million, three hundred twenty-two thousand, one hundred twenty-six".