2020423894 has 24 divisors (see below), whose sum is σ = 3092030928. Its totient is φ = 990110160.

The previous prime is 2020423879. The next prime is 2020423943. The reversal of 2020423894 is 4983240202.

It is a super-2 number, since 2×2020423894² = 8164225422892246472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1959159 + ... + 1960189.

It is an arithmetic number, because the mean of its divisors is an integer number (128834622).

Almost surely, 2^2020423894 is an apocalyptic number.

2020423894 is a deficient number, since it is larger than the sum of its proper divisors (1071607034).

2020423894 is a wasteful number, since it uses less digits than its factorization.

2020423894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2020423894 is about 44949.1256199717. The cubic root of 2020423894 is about 1264.1952823282.

The spelling of 2020423894 in words is "two billion, twenty million, four hundred twenty-three thousand, eight hundred ninety-four".