2002220002177 has 2 divisors, whose sum is σ = 2002220002178. Its totient is φ = 2002220002176.

The previous prime is 2002220002051. The next prime is 2002220002187. The reversal of 2002220002177 is 7712000222002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1950145218576 + 52074783601 = 1396476^2 + 228199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002220002177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002220002187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110001088 + 1001110001089.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110001089).

Almost surely, 2^{2002220002177} is an apocalyptic number.

It is an amenable number.

2002220002177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002220002177 is an equidigital number, since it uses as much as digits as its factorization.

2002220002177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

Adding to 2002220002177 its reverse (7712000222002), we get a palindrome (9714220224179).

The spelling of 2002220002177 in words is "two trillion, two billion, two hundred twenty million, two thousand, one hundred seventy-seven".