20126322 has 24 divisors (see below), whose sum is σ = 44622864. Its totient is φ = 6552504.

The previous prime is 20126321. The next prime is 20126329. The reversal of 20126322 is 22362102.

20126322 is a `hidden beast` number, since 20 + 12 + 632 + 2 = 666.

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 = 20126295 and 20126304.

It is not an unprimeable number, because it can be changed into a prime (20126321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12228 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (1859286).

Almost surely, 2^20126322 is an apocalyptic number.

20126322 is an abundant number, since it is smaller than the sum of its proper divisors (24496542).

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

20126322 is a wasteful number, since it uses less digits than its factorization.

20126322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26054 (or 26051 counting only the distinct ones).

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

The square root of 20126322 is about 4486.2369531713. The cubic root of 20126322 is about 272.0120471164.

Adding to 20126322 its sum of digits (18), we get a triangular number (20126340 = T₆₃₄₄).

Adding to 20126322 its reverse (22362102), we get a palindrome (42488424).

The spelling of 20126322 in words is "twenty million, one hundred twenty-six thousand, three hundred twenty-two".