2020591247 has 4 divisors (see below), whose sum is σ = 2020773840. Its totient is φ = 2020408656.

The previous prime is 2020591229. The next prime is 2020591303. The reversal of 2020591247 is 7421950202.

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 2020591247 - 2¹⁰ = 2020590223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020591207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73547 + ... + 97212.

It is an arithmetic number, because the mean of its divisors is an integer number (505193460).

Almost surely, 2^2020591247 is an apocalyptic number.

2020591247 is a deficient number, since it is larger than the sum of its proper divisors (182593).

2020591247 is a wasteful number, since it uses less digits than its factorization.

2020591247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182592.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2020591247 is about 44950.9871637988. The cubic root of 2020591247 is about 1264.2301860651.

The spelling of 2020591247 in words is "two billion, twenty million, five hundred ninety-one thousand, two hundred forty-seven".