20323452 has 12 divisors (see below), whose sum is σ = 47421416. Its totient is φ = 6774480.

The previous prime is 20323447. The next prime is 20323453. The reversal of 20323452 is 25432302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323453) by changing a digit.

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, 846799 + ... + 846822.

Almost surely, 2^20323452 is an apocalyptic number.

It is an amenable number.

20323452 is an abundant number, since it is smaller than the sum of its proper divisors (27097964).

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

20323452 is a wasteful number, since it uses less digits than its factorization.

20323452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693628 (or 1693626 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20323452 is about 4508.1539459073. The cubic root of 20323452 is about 272.8972496361.

Adding to 20323452 its reverse (25432302), we get a palindrome (45755754).

The spelling of 20323452 in words is "twenty million, three hundred twenty-three thousand, four hundred fifty-two".