2040021303 has 4 divisors (see below), whose sum is σ = 2720028408. Its totient is φ = 1360014200.

The previous prime is 2040021283. The next prime is 2040021367. The reversal of 2040021303 is 3031200402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2040021303 - 2⁶ = 2040021239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040021383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340003548 + ... + 340003553.

It is an arithmetic number, because the mean of its divisors is an integer number (680007102).

Almost surely, 2^2040021303 is an apocalyptic number.

2040021303 is a deficient number, since it is larger than the sum of its proper divisors (680007105).

2040021303 is an equidigital number, since it uses as much as digits as its factorization.

2040021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680007104.

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

The square root of 2040021303 is about 45166.5949901030. The cubic root of 2040021303 is about 1268.2695557434.

Adding to 2040021303 its reverse (3031200402), we get a palindrome (5071221705).

The spelling of 2040021303 in words is "two billion, forty million, twenty-one thousand, three hundred three".