20365452 has 48 divisors (see below), whose sum is σ = 53071200. Its totient is φ = 6753600.

The previous prime is 20365447. The next prime is 20365463. The reversal of 20365452 is 25456302.

20365452 is a `hidden beast` number, since 2 + 0 + 3 + 654 + 5 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28702 + ... + 29402.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^20365452 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 20365452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26535600).

20365452 is an abundant number, since it is smaller than the sum of its proper divisors (32705748).

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

20365452 is a wasteful number, since it uses less digits than its factorization.

20365452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 20365452 is about 4512.8097677611. The cubic root of 20365452 is about 273.0851081103.

The spelling of 20365452 in words is "twenty million, three hundred sixty-five thousand, four hundred fifty-two".