20254254 has 16 divisors (see below), whose sum is σ = 40564992. Its totient is φ = 6742008.

The previous prime is 20254249. The next prime is 20254277. The reversal of 20254254 is 45245202.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 3387 + ... + 7209.

It is an arithmetic number, because the mean of its divisors is an integer number (2535312).

Almost surely, 2^20254254 is an apocalyptic number.

20254254 is an abundant number, since it is smaller than the sum of its proper divisors (20310738).

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

20254254 is a wasteful number, since it uses less digits than its factorization.

20254254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 20254254 is about 4500.4726418455. The cubic root of 20254254 is about 272.5871740848.

Adding to 20254254 its reverse (45245202), we get a palindrome (65499456).

The spelling of 20254254 in words is "twenty million, two hundred fifty-four thousand, two hundred fifty-four".