2420220311 has 2 divisors, whose sum is σ = 2420220312. Its totient is φ = 2420220310.

The previous prime is 2420220307. The next prime is 2420220367. The reversal of 2420220311 is 1130220242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420220311 - 2² = 2420220307 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2420220311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420220301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210110155 + 1210110156.

It is an arithmetic number, because the mean of its divisors is an integer number (1210110156).

Almost surely, 2^2420220311 is an apocalyptic number.

2420220311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420220311 is an equidigital number, since it uses as much as digits as its factorization.

2420220311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2420220311 is about 49195.7346829987. The cubic root of 2420220311 is about 1342.6154292750.

Adding to 2420220311 its reverse (1130220242), we get a palindrome (3550440553).

The spelling of 2420220311 in words is "two billion, four hundred twenty million, two hundred twenty thousand, three hundred eleven".