2020408045975 has 24 divisors (see below), whose sum is σ = 2734018748208. Its totient is φ = 1468872787200.

The previous prime is 2020408045939. The next prime is 2020408045979. The reversal of 2020408045975 is 5795408040202.

It is not a de Polignac number, because 2020408045975 - 2²⁷ = 2020273828247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020408045979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500104 + ... + 2071453.

It is an arithmetic number, because the mean of its divisors is an integer number (113917447842).

Almost surely, 2^{2020408045975} is an apocalyptic number.

2020408045975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2020408045975 is a deficient number, since it is larger than the sum of its proper divisors (713610702233).

2020408045975 is a wasteful number, since it uses less digits than its factorization.

2020408045975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574435 (or 2574430 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 2020408045975 in words is "two trillion, twenty billion, four hundred eight million, forty-five thousand, nine hundred seventy-five".