20254506 has 8 divisors (see below), whose sum is σ = 40509024. Its totient is φ = 6751500.

The previous prime is 20254483. The next prime is 20254511. The reversal of 20254506 is 60545202.

It is a sphenic number, since it is the product of 3 distinct primes.

20254506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687870 + ... + 1687881.

It is an arithmetic number, because the mean of its divisors is an integer number (5063628).

Almost surely, 2^20254506 is an apocalyptic number.

20254506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20254506 is a wasteful number, since it uses less digits than its factorization.

20254506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375756.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 20254506 is about 4500.5006388179. The cubic root of 20254506 is about 272.5883045746.

Adding to 20254506 its reverse (60545202), we get a palindrome (80799708).

The spelling of 20254506 in words is "twenty million, two hundred fifty-four thousand, five hundred six".