20254115 has 8 divisors (see below), whose sum is σ = 27777120. Its totient is φ = 13888512.

The previous prime is 20254111. The next prime is 20254121. The reversal of 20254115 is 51145202.

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

It is a cyclic number.

It is not a de Polignac number, because 20254115 - 2² = 20254111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20254111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289310 + ... + 289379.

It is an arithmetic number, because the mean of its divisors is an integer number (3472140).

Almost surely, 2^20254115 is an apocalyptic number.

20254115 is a deficient number, since it is larger than the sum of its proper divisors (7523005).

20254115 is an equidigital number, since it uses as much as digits as its factorization.

20254115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578701.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 20254115 is about 4500.4571989966. The cubic root of 20254115 is about 272.5865505169.

Adding to 20254115 its reverse (51145202), we get a palindrome (71399317).

The spelling of 20254115 in words is "twenty million, two hundred fifty-four thousand, one hundred fifteen".