5200020971 has 2 divisors, whose sum is σ = 5200020972. Its totient is φ = 5200020970.

The previous prime is 5200020937. The next prime is 5200021007. The reversal of 5200020971 is 1790200025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5200020971 - 2¹⁸ = 5199758827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5200020971.

It is not a weakly prime, because it can be changed into another prime (5200026971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600010485 + 2600010486.

It is an arithmetic number, because the mean of its divisors is an integer number (2600010486).

Almost surely, 2^5200020971 is an apocalyptic number.

5200020971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200020971 is an equidigital number, since it uses as much as digits as its factorization.

5200020971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 5200020971 is about 72111.1709168559. The cubic root of 5200020971 is about 1732.4805396402.

Adding to 5200020971 its reverse (1790200025), we get a palindrome (6990220996).

The spelling of 5200020971 in words is "five billion, two hundred million, twenty thousand, nine hundred seventy-one".