2040303021 has 32 divisors (see below), whose sum is σ = 2876160000. Its totient is φ = 1284009408.

The previous prime is 2040302993. The next prime is 2040303029. The reversal of 2040303021 is 1203030402.

It is not a de Polignac number, because 2040303021 - 2¹⁰ = 2040301997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040303029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1908075 + ... + 1909143.

It is an arithmetic number, because the mean of its divisors is an integer number (89880000).

Almost surely, 2^2040303021 is an apocalyptic number.

It is an amenable number.

2040303021 is a deficient number, since it is larger than the sum of its proper divisors (835856979).

2040303021 is a wasteful number, since it uses less digits than its factorization.

2040303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2040303021 is about 45169.7135368379. The cubic root of 2040303021 is about 1268.3279338784.

Adding to 2040303021 its reverse (1203030402), we get a palindrome (3243333423).

The spelling of 2040303021 in words is "two billion, forty million, three hundred three thousand, twenty-one".