20445026 has 32 divisors (see below), whose sum is σ = 37307520. Its totient is φ = 8208000.

The previous prime is 20445017. The next prime is 20445041. The reversal of 20445026 is 62054402.

It is a junction number, because it is equal to n+sod(n) for n = 20444992 and 20445010.

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, 26486 + ... + 27246.

It is an arithmetic number, because the mean of its divisors is an integer number (1165860).

Almost surely, 2^20445026 is an apocalyptic number.

20445026 is a deficient number, since it is larger than the sum of its proper divisors (16862494).

20445026 is a wasteful number, since it uses less digits than its factorization.

20445026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 20445026 is about 4521.6176308927. The cubic root of 20445026 is about 273.4403213271.

Adding to 20445026 its reverse (62054402), we get a palindrome (82499428).

The spelling of 20445026 in words is "twenty million, four hundred forty-five thousand, twenty-six".