2032020391 has 2 divisors, whose sum is σ = 2032020392. Its totient is φ = 2032020390.

The previous prime is 2032020373. The next prime is 2032020407. The reversal of 2032020391 is 1930202302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2032020391 - 2¹⁷ = 2031889319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2032026391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016010195 + 1016010196.

It is an arithmetic number, because the mean of its divisors is an integer number (1016010196).

Almost surely, 2^2032020391 is an apocalyptic number.

2032020391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2032020391 is an equidigital number, since it uses as much as digits as its factorization.

2032020391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2032020391 is about 45077.9368538535. The cubic root of 2032020391 is about 1266.6093430276.

Adding to 2032020391 its reverse (1930202302), we get a palindrome (3962222693).

The spelling of 2032020391 in words is "two billion, thirty-two million, twenty thousand, three hundred ninety-one".