20126826 has 16 divisors (see below), whose sum is σ = 44726400. Its totient is φ = 6708924.

The previous prime is 20126809. The next prime is 20126831. The reversal of 20126826 is 62862102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20126826.

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, 186306 + ... + 186413.

It is an arithmetic number, because the mean of its divisors is an integer number (2795400).

Almost surely, 2^20126826 is an apocalyptic number.

20126826 is an abundant number, since it is smaller than the sum of its proper divisors (24599574).

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

20126826 is a wasteful number, since it uses less digits than its factorization.

20126826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372730 (or 372724 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20126826 is about 4486.2931246186. The cubic root of 20126826 is about 272.0143176575.

Adding to 20126826 its reverse (62862102), we get a palindrome (82988928).

The spelling of 20126826 in words is "twenty million, one hundred twenty-six thousand, eight hundred twenty-six".