20253452 has 12 divisors (see below), whose sum is σ = 35723520. Its totient is φ = 10046736.

The previous prime is 20253451. The next prime is 20253469. The reversal of 20253452 is 25435202.

It is not an unprimeable number, because it can be changed into a prime (20253451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19427 + ... + 20442.

It is an arithmetic number, because the mean of its divisors is an integer number (2976960).

Almost surely, 2^20253452 is an apocalyptic number.

It is an amenable number.

20253452 is a deficient number, since it is larger than the sum of its proper divisors (15470068).

20253452 is a wasteful number, since it uses less digits than its factorization.

20253452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40000 (or 39998 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 20253452 is about 4500.3835392109. The cubic root of 20253452 is about 272.5835761937.

Adding to 20253452 its reverse (25435202), we get a palindrome (45688654).

The spelling of 20253452 in words is "twenty million, two hundred fifty-three thousand, four hundred fifty-two".