2020440323203 has 4 divisors (see below), whose sum is σ = 2020456766808. Its totient is φ = 2020423879600.

The previous prime is 2020440323191. The next prime is 2020440323261. The reversal of 2020440323203 is 3023230440202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020440323203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020440323003) 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, 8036098 + ... + 8283703.

It is an arithmetic number, because the mean of its divisors is an integer number (505114191702).

Almost surely, 2^{2020440323203} is an apocalyptic number.

2020440323203 is a deficient number, since it is larger than the sum of its proper divisors (16443605).

2020440323203 is a wasteful number, since it uses less digits than its factorization.

2020440323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16443604.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 2020440323203 its reverse (3023230440202), we get a palindrome (5043670763405).

The spelling of 2020440323203 in words is "two trillion, twenty billion, four hundred forty million, three hundred twenty-three thousand, two hundred three".