220532077 has 2 divisors, whose sum is σ = 220532078. Its totient is φ = 220532076.

The previous prime is 220532023. The next prime is 220532083. The reversal of 220532077 is 770235022.

220532077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205893801 + 14638276 = 14349^2 + 3826^2 .

It is a cyclic number.

It is not a de Polignac number, because 220532077 - 2¹¹ = 220530029 is a prime.

It is a super-3 number, since 3×220532077³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220530077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110266038 + 110266039.

It is an arithmetic number, because the mean of its divisors is an integer number (110266039).

Almost surely, 2^220532077 is an apocalyptic number.

It is an amenable number.

220532077 is a deficient number, since it is larger than the sum of its proper divisors (1).

220532077 is an equidigital number, since it uses as much as digits as its factorization.

220532077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 220532077 is about 14850.3224544116. The cubic root of 220532077 is about 604.1673558222.

Adding to 220532077 its reverse (770235022), we get a palindrome (990767099).

The spelling of 220532077 in words is "two hundred twenty million, five hundred thirty-two thousand, seventy-seven".