220120122084637 has 2 divisors, whose sum is σ = 220120122084638. Its totient is φ = 220120122084636.

The previous prime is 220120122084589. The next prime is 220120122084641. The reversal of 220120122084637 is 736480221021022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136121082404836 + 83999039679801 = 11667094^2 + 9165099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220120122084637 is a prime.

It is a super-3 number, since 3×220120122084637³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220120122084637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220120122084677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060061042318 + 110060061042319.

It is an arithmetic number, because the mean of its divisors is an integer number (110060061042319).

Almost surely, 2^{220120122084637} is an apocalyptic number.

It is an amenable number.

220120122084637 is a deficient number, since it is larger than the sum of its proper divisors (1).

220120122084637 is an equidigital number, since it uses as much as digits as its factorization.

220120122084637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 220120122084637 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred twenty-two million, eighty-four thousand, six hundred thirty-seven".