2420206669 has 2 divisors, whose sum is σ = 2420206670. Its totient is φ = 2420206668.

The previous prime is 2420206627. The next prime is 2420206697. The reversal of 2420206669 is 9666020242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2369255625 + 50951044 = 48675^2 + 7138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420206669 - 2¹³ = 2420198477 is a prime.

It is a super-2 number, since 2×2420206669² = 11714800641344151122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420206699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210103334 + 1210103335.

It is an arithmetic number, because the mean of its divisors is an integer number (1210103335).

Almost surely, 2^2420206669 is an apocalyptic number.

It is an amenable number.

2420206669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420206669 is an equidigital number, since it uses as much as digits as its factorization.

2420206669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2420206669 is about 49195.5960325719. The cubic root of 2420206669 is about 1342.6129066405.

The spelling of 2420206669 in words is "two billion, four hundred twenty million, two hundred six thousand, six hundred sixty-nine".