20426052 has 12 divisors (see below), whose sum is σ = 47660816. Its totient is φ = 6808680.

The previous prime is 20426039. The next prime is 20426069. The reversal of 20426052 is 25062402.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851074 + ... + 851097.

Almost surely, 2^20426052 is an apocalyptic number.

It is an amenable number.

20426052 is an abundant number, since it is smaller than the sum of its proper divisors (27234764).

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

20426052 is a wasteful number, since it uses less digits than its factorization.

20426052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702178 (or 1702176 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20426052 is about 4519.5190009557. The cubic root of 20426052 is about 273.3557064111.

Adding to 20426052 its reverse (25062402), we get a palindrome (45488454).

The spelling of 20426052 in words is "twenty million, four hundred twenty-six thousand, fifty-two".