20126626 has 16 divisors (see below), whose sum is σ = 33562368. Its totient is φ = 8989200.

The previous prime is 20126597. The next prime is 20126663. The reversal of 20126626 is 62662102.

It is a self number, because there is not a number n which added to its sum of digits gives 20126626.

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, 11680 + ... + 13291.

It is an arithmetic number, because the mean of its divisors is an integer number (2097648).

Almost surely, 2^20126626 is an apocalyptic number.

20126626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20126626 is a deficient number, since it is larger than the sum of its proper divisors (13435742).

20126626 is a wasteful number, since it uses less digits than its factorization.

20126626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25017.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20126626 is about 4486.2708344459. The cubic root of 20126626 is about 272.0134166537.

Adding to 20126626 its reverse (62662102), we get a palindrome (82788728).

The spelling of 20126626 in words is "twenty million, one hundred twenty-six thousand, six hundred twenty-six".