23020452 has 72 divisors (see below), whose sum is σ = 71629376. Its totient is φ = 6070464.

The previous prime is 23020451. The next prime is 23020469. The reversal of 23020452 is 25402032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23020451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238 + ... + 6789.

Almost surely, 2^23020452 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 23020452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35814688).

23020452 is an abundant number, since it is smaller than the sum of its proper divisors (48608924).

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

23020452 is a wasteful number, since it uses less digits than its factorization.

23020452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057 (or 7052 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23020452 is about 4797.9633179090. The cubic root of 23020452 is about 284.4709668782.

Adding to 23020452 its reverse (25402032), we get a palindrome (48422484).

The spelling of 23020452 in words is "twenty-three million, twenty thousand, four hundred fifty-two".