2020440238 has 4 divisors (see below), whose sum is σ = 3030660360. Its totient is φ = 1010220118.

The previous prime is 2020440209. The next prime is 2020440239. The reversal of 2020440238 is 8320440202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8320440202 = 2 ⋅4160220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020440239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505110058 + ... + 505110061.

It is an arithmetic number, because the mean of its divisors is an integer number (757665090).

Almost surely, 2^2020440238 is an apocalyptic number.

2020440238 is a deficient number, since it is larger than the sum of its proper divisors (1010220122).

2020440238 is a wasteful number, since it uses less digits than its factorization.

2020440238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010220121.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2020440238 is about 44949.3074251428. The cubic root of 2020440238 is about 1264.1986911759.

The spelling of 2020440238 in words is "two billion, twenty million, four hundred forty thousand, two hundred thirty-eight".