2420205019 has 2 divisors, whose sum is σ = 2420205020. Its totient is φ = 2420205018.

The previous prime is 2420205013. The next prime is 2420205037. The reversal of 2420205019 is 9105020242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420205019 is a prime.

It is a super-2 number, since 2×2420205019² = 11714784667985580722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2420204984 and 2420205002.

It is not a weakly prime, because it can be changed into another prime (2420205013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210102509 + 1210102510.

It is an arithmetic number, because the mean of its divisors is an integer number (1210102510).

Almost surely, 2^2420205019 is an apocalyptic number.

2420205019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420205019 is an equidigital number, since it uses as much as digits as its factorization.

2420205019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2420205019 is about 49195.5792627752. The cubic root of 2420205019 is about 1342.6126015272.

The spelling of 2420205019 in words is "two billion, four hundred twenty million, two hundred five thousand, nineteen".