2000401443 has 6 divisors (see below), whose sum is σ = 2889468764. Its totient is φ = 1333600956.

The previous prime is 2000401399. The next prime is 2000401457. The reversal of 2000401443 is 3441040002.

It is not a de Polignac number, because 2000401443 - 2¹⁰ = 2000400419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000401483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111133405 + ... + 111133422.

Almost surely, 2^2000401443 is an apocalyptic number.

2000401443 is a deficient number, since it is larger than the sum of its proper divisors (889067321).

2000401443 is a wasteful number, since it uses less digits than its factorization.

2000401443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222266833 (or 222266830 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2000401443 is about 44725.8475939808. The cubic root of 2000401443 is about 1260.0053420031.

Adding to 2000401443 its reverse (3441040002), we get a palindrome (5441441445).

The spelling of 2000401443 in words is "two billion, four hundred one thousand, four hundred forty-three".