20822126 has 16 divisors (see below), whose sum is σ = 34140624. Its totient is φ = 9465984.

The previous prime is 20822101. The next prime is 20822143. The reversal of 20822126 is 62122802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4235 + ... + 7718.

It is an arithmetic number, because the mean of its divisors is an integer number (2133789).

Almost surely, 2^20822126 is an apocalyptic number.

20822126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20822126 is a deficient number, since it is larger than the sum of its proper divisors (13318498).

20822126 is a wasteful number, since it uses less digits than its factorization.

20822126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12035.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20822126 is about 4563.1267788656. The cubic root of 20822126 is about 275.1112541584. Note that the first 3 decimals are identical.

Adding to 20822126 its reverse (62122802), we get a palindrome (82944928).

The spelling of 20822126 in words is "twenty million, eight hundred twenty-two thousand, one hundred twenty-six".