220773120366097 has 16 divisors (see below), whose sum is σ = 238248288064080. Its totient is φ = 203368681377792.

The previous prime is 220773120366067. The next prime is 220773120366137. The reversal of 220773120366097 is 790663021377022.

It is a happy number.

220773120366097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 14858436²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 97640563992976 + 123132556373121 = 9881324^2 + 11096511^2 .

It is a cyclic number.

It is not a de Polignac number, because 220773120366097 - 2²⁷ = 220772986148369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220773120366067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7569333 + ... + 22334749.

It is an arithmetic number, because the mean of its divisors is an integer number (14890518004005).

Almost surely, 2^{220773120366097} is an apocalyptic number.

It is an amenable number.

220773120366097 is a deficient number, since it is larger than the sum of its proper divisors (17475167697983).

220773120366097 is a wasteful number, since it uses less digits than its factorization.

220773120366097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14767812.

The product of its (nonzero) digits is 8001504, while the sum is 55.

The spelling of 220773120366097 in words is "two hundred twenty trillion, seven hundred seventy-three billion, one hundred twenty million, three hundred sixty-six thousand, ninety-seven".