20453152 has 24 divisors (see below), whose sum is σ = 40409712. Its totient is φ = 10190400.

The previous prime is 20453123. The next prime is 20453171. The reversal of 20453152 is 25135402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9627 + ... + 11557.

It is an arithmetic number, because the mean of its divisors is an integer number (1683738).

Almost surely, 2^20453152 is an apocalyptic number.

It is an amenable number.

20453152 is a deficient number, since it is larger than the sum of its proper divisors (19956560).

20453152 is a wasteful number, since it uses less digits than its factorization.

20453152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 20453152 is about 4522.5161138464. The cubic root of 20453152 is about 273.4765433685.

Adding to 20453152 its reverse (25135402), we get a palindrome (45588554).

The spelling of 20453152 in words is "twenty million, four hundred fifty-three thousand, one hundred fifty-two".