20238126 has 16 divisors (see below), whose sum is σ = 42857424. Its totient is φ = 6349184.

The previous prime is 20238089. The next prime is 20238131. The reversal of 20238126 is 62183202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20238096 and 20238105.

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, 99105 + ... + 99308.

It is an arithmetic number, because the mean of its divisors is an integer number (2678589).

Almost surely, 2^20238126 is an apocalyptic number.

20238126 is an abundant number, since it is smaller than the sum of its proper divisors (22619298).

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

20238126 is a wasteful number, since it uses less digits than its factorization.

20238126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198435.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20238126 is about 4498.6804732054. The cubic root of 20238126 is about 272.5148032247.

The spelling of 20238126 in words is "twenty million, two hundred thirty-eight thousand, one hundred twenty-six".