4202020399 has 2 divisors, whose sum is σ = 4202020400. Its totient is φ = 4202020398.

The previous prime is 4202020393. The next prime is 4202020481. The reversal of 4202020399 is 9930202024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4202020399 - 2¹³ = 4202012207 is a prime.

It is a super-2 number, since 2×4202020399² = 35313950867224238402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4202020399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4202020393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101010199 + 2101010200.

It is an arithmetic number, because the mean of its divisors is an integer number (2101010200).

Almost surely, 2^4202020399 is an apocalyptic number.

4202020399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202020399 is an equidigital number, since it uses as much as digits as its factorization.

4202020399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 4202020399 is about 64822.9928266198. The cubic root of 4202020399 is about 1613.6873164262.

The spelling of 4202020399 in words is "four billion, two hundred two million, twenty thousand, three hundred ninety-nine".