20452932 has 96 divisors (see below), whose sum is σ = 56448000. Its totient is φ = 6393600.

The previous prime is 20452931. The next prime is 20452937. The reversal of 20452932 is 23925402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20452896 and 20452905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137194 + ... + 137342.

It is an arithmetic number, because the mean of its divisors is an integer number (588000).

Almost surely, 2^20452932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20452932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28224000).

20452932 is an abundant number, since it is smaller than the sum of its proper divisors (35995068).

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

20452932 is a wasteful number, since it uses less digits than its factorization.

20452932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20452932 is about 4522.4917910373. The cubic root of 20452932 is about 273.4755628342.

The spelling of 20452932 in words is "twenty million, four hundred fifty-two thousand, nine hundred thirty-two".