20202452 has 24 divisors (see below), whose sum is σ = 36728832. Its totient is φ = 9712800.

The previous prime is 20202451. The next prime is 20202461. The reversal of 20202452 is 25420202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23258 + ... + 24110.

It is an arithmetic number, because the mean of its divisors is an integer number (1530368).

Almost surely, 2^20202452 is an apocalyptic number.

It is an amenable number.

20202452 is a deficient number, since it is larger than the sum of its proper divisors (16526380).

20202452 is a wasteful number, since it uses less digits than its factorization.

20202452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 20202452 is about 4494.7137839911. The cubic root of 20202452 is about 272.3545872891.

Adding to 20202452 its reverse (25420202), we get a palindrome (45622654).

The spelling of 20202452 in words is "twenty million, two hundred two thousand, four hundred fifty-two".