2420120173 has 2 divisors, whose sum is σ = 2420120174. Its totient is φ = 2420120172.

The previous prime is 2420120137. The next prime is 2420120177. The reversal of 2420120173 is 3710210242.

Together with previous prime (2420120137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2145820329 + 274299844 = 46323^2 + 16562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420120173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420120177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210060086 + 1210060087.

It is an arithmetic number, because the mean of its divisors is an integer number (1210060087).

Almost surely, 2^2420120173 is an apocalyptic number.

It is an amenable number.

2420120173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420120173 is an equidigital number, since it uses as much as digits as its factorization.

2420120173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2420120173 is about 49194.7169216370. The cubic root of 2420120173 is about 1342.5969118591.

The spelling of 2420120173 in words is "two billion, four hundred twenty million, one hundred twenty thousand, one hundred seventy-three".