20453352 has 32 divisors (see below), whose sum is σ = 52898400. Its totient is φ = 6582464.

The previous prime is 20453327. The next prime is 20453401. The reversal of 20453352 is 25335402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13998 + ... + 15389.

It is an arithmetic number, because the mean of its divisors is an integer number (1653075).

Almost surely, 2^20453352 is an apocalyptic number.

It is an amenable number.

20453352 is an abundant number, since it is smaller than the sum of its proper divisors (32445048).

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

20453352 is a wasteful number, since it uses less digits than its factorization.

20453352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29425 (or 29421 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 20453352 is about 4522.5382253774. The cubic root of 20453352 is about 273.4774347573.

Adding to 20453352 its reverse (25335402), we get a palindrome (45788754).

The spelling of 20453352 in words is "twenty million, four hundred fifty-three thousand, three hundred fifty-two".