20240238 has 16 divisors (see below), whose sum is σ = 40525056. Its totient is φ = 6739320.

The previous prime is 20240219. The next prime is 20240257. The reversal of 20240238 is 83204202.

It is an interprime number because it is at equal distance from previous prime (20240219) and next prime (20240257).

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, 8433 + ... + 10563.

It is an arithmetic number, because the mean of its divisors is an integer number (2532816).

Almost surely, 2^20240238 is an apocalyptic number.

20240238 is an abundant number, since it is smaller than the sum of its proper divisors (20284818).

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

20240238 is a wasteful number, since it uses less digits than its factorization.

20240238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20240238 is about 4498.9152025794. The cubic root of 20240238 is about 272.5242825484.

The spelling of 20240238 in words is "twenty million, two hundred forty thousand, two hundred thirty-eight".