20258452 has 12 divisors (see below), whose sum is σ = 35797216. Its totient is φ = 10030680.

The previous prime is 20258437. The next prime is 20258453. The reversal of 20258452 is 25485202.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20258452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20258453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24174 + ... + 24997.

Almost surely, 2^20258452 is an apocalyptic number.

It is an amenable number.

20258452 is a deficient number, since it is larger than the sum of its proper divisors (15538764).

20258452 is a wasteful number, since it uses less digits than its factorization.

20258452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49278 (or 49276 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 20258452 is about 4500.9390131394. The cubic root of 20258452 is about 272.6060053865.

The spelling of 20258452 in words is "twenty million, two hundred fifty-eight thousand, four hundred fifty-two".