3200420513 has 2 divisors, whose sum is σ = 3200420514. Its totient is φ = 3200420512.

The previous prime is 3200420507. The next prime is 3200420533. The reversal of 3200420513 is 3150240023.

It is a happy number.

It is an a-pointer prime, because the next prime (3200420533) can be obtained adding 3200420513 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3188635024 + 11785489 = 56468^2 + 3433^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200420513 - 2¹⁸ = 3200158369 is a prime.

It is not a weakly prime, because it can be changed into another prime (3200420533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600210256 + 1600210257.

It is an arithmetic number, because the mean of its divisors is an integer number (1600210257).

Almost surely, 2^3200420513 is an apocalyptic number.

It is an amenable number.

3200420513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200420513 is an equidigital number, since it uses as much as digits as its factorization.

3200420513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3200420513 is about 56572.2592177473. The cubic root of 3200420513 is about 1473.6771459263.

Adding to 3200420513 its reverse (3150240023), we get a palindrome (6350660536).

The spelling of 3200420513 in words is "three billion, two hundred million, four hundred twenty thousand, five hundred thirteen".