20026522 has 8 divisors (see below), whose sum is σ = 30091572. Its totient is φ = 9996000.

The previous prime is 20026499. The next prime is 20026543. The reversal of 20026522 is 22562002.

It can be written as a sum of positive squares in 2 ways, for example, as 19368801 + 657721 = 4401^2 + 811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20026522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7129 + ... + 9532.

Almost surely, 2^20026522 is an apocalyptic number.

20026522 is a deficient number, since it is larger than the sum of its proper divisors (10065050).

20026522 is a wasteful number, since it uses less digits than its factorization.

20026522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17264.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 20026522 is about 4475.1002223414. The cubic root of 20026522 is about 271.5616949673.

Adding to 20026522 its reverse (22562002), we get a palindrome (42588524).

The spelling of 20026522 in words is "twenty million, twenty-six thousand, five hundred twenty-two".