120220292909 has 2 divisors, whose sum is σ = 120220292910. Its totient is φ = 120220292908.

The previous prime is 120220292891. The next prime is 120220292917. The reversal of 120220292909 is 909292022021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92580232900 + 27640060009 = 304270^2 + 166253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120220292909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120220292939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110146454 + 60110146455.

It is an arithmetic number, because the mean of its divisors is an integer number (60110146455).

Almost surely, 2^120220292909 is an apocalyptic number.

It is an amenable number.

120220292909 is a deficient number, since it is larger than the sum of its proper divisors (1).

120220292909 is an equidigital number, since it uses as much as digits as its factorization.

120220292909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 120220292909 in words is "one hundred twenty billion, two hundred twenty million, two hundred ninety-two thousand, nine hundred nine".