20089426 has 32 divisors (see below), whose sum is σ = 36449280. Its totient is φ = 8121600.

The previous prime is 20089417. The next prime is 20089451. The reversal of 20089426 is 62498002.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17230 + ... + 18358.

It is an arithmetic number, because the mean of its divisors is an integer number (1139040).

Almost surely, 2^20089426 is an apocalyptic number.

20089426 is a deficient number, since it is larger than the sum of its proper divisors (16359854).

20089426 is a wasteful number, since it uses less digits than its factorization.

20089426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 20089426 is about 4482.1229345032. The cubic root of 20089426 is about 271.8457260241.

The spelling of 20089426 in words is "twenty million, eighty-nine thousand, four hundred twenty-six".