2000401765 has 16 divisors (see below), whose sum is σ = 2422702080. Its totient is φ = 1585543680.

The previous prime is 2000401763. The next prime is 2000401771. The reversal of 2000401765 is 5671040002.

It is not a de Polignac number, because 2000401765 - 2¹ = 2000401763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000401763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588220 + ... + 591610.

It is an arithmetic number, because the mean of its divisors is an integer number (151418880).

Almost surely, 2^2000401765 is an apocalyptic number.

It is an amenable number.

2000401765 is a deficient number, since it is larger than the sum of its proper divisors (422300315).

2000401765 is a wasteful number, since it uses less digits than its factorization.

2000401765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 2000401765 is about 44725.8511936889. The cubic root of 2000401765 is about 1260.0054096098.

Adding to 2000401765 its reverse (5671040002), we get a palindrome (7671441767).

The spelling of 2000401765 in words is "two billion, four hundred one thousand, seven hundred sixty-five".