20326252 has 6 divisors (see below), whose sum is σ = 35570948. Its totient is φ = 10163124.

The previous prime is 20326249. The next prime is 20326277. The reversal of 20326252 is 25262302.

It is a happy number.

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 as a sum of consecutive naturals, namely, 2540778 + ... + 2540785.

Almost surely, 2^20326252 is an apocalyptic number.

It is an amenable number.

20326252 is a deficient number, since it is larger than the sum of its proper divisors (15244696).

20326252 is a wasteful number, since it uses less digits than its factorization.

20326252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081567 (or 5081565 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20326252 is about 4508.4644836130. The cubic root of 20326252 is about 272.9097815821.

Adding to 20326252 its reverse (25262302), we get a palindrome (45588554).

The spelling of 20326252 in words is "twenty million, three hundred twenty-six thousand, two hundred fifty-two".