220012817077 has 2 divisors, whose sum is σ = 220012817078. Its totient is φ = 220012817076.

The previous prime is 220012817071. The next prime is 220012817083. The reversal of 220012817077 is 770718210022.

It is a balanced prime because it is at equal distance from previous prime (220012817071) and next prime (220012817083).

It can be written as a sum of positive squares in only one way, i.e., 132040663876 + 87972153201 = 363374^2 + 296601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220012817077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220012817071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006408538 + 110006408539.

It is an arithmetic number, because the mean of its divisors is an integer number (110006408539).

Almost surely, 2^220012817077 is an apocalyptic number.

It is an amenable number.

220012817077 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012817077 is an equidigital number, since it uses as much as digits as its factorization.

220012817077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 37.

The spelling of 220012817077 in words is "two hundred twenty billion, twelve million, eight hundred seventeen thousand, seventy-seven".