2020440311 has 2 divisors, whose sum is σ = 2020440312. Its totient is φ = 2020440310.

The previous prime is 2020440307. The next prime is 2020440319. The reversal of 2020440311 is 1130440202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2020440311 - 2² = 2020440307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020440311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020440319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010220155 + 1010220156.

It is an arithmetic number, because the mean of its divisors is an integer number (1010220156).

Almost surely, 2^2020440311 is an apocalyptic number.

2020440311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020440311 is an equidigital number, since it uses as much as digits as its factorization.

2020440311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2020440311 is about 44949.3082371687. The cubic root of 2020440311 is about 1264.1987064014.

Adding to 2020440311 its reverse (1130440202), we get a palindrome (3150880513).

The spelling of 2020440311 in words is "two billion, twenty million, four hundred forty thousand, three hundred eleven".