220466077 has 12 divisors (see below), whose sum is σ = 239764404. Its totient is φ = 202625280.

The previous prime is 220466069. The next prime is 220466087. The reversal of 220466077 is 770664022.

It can be written as a sum of positive squares in 6 ways, for example, as 34798201 + 185667876 = 5899^2 + 13626^2 .

It is not a de Polignac number, because 220466077 - 2³ = 220466069 is a prime.

It is a super-2 number, since 2×220466077² = 97210582215539858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220466027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38023 + ... + 43435.

It is an arithmetic number, because the mean of its divisors is an integer number (19980367).

Almost surely, 2^220466077 is an apocalyptic number.

It is an amenable number.

220466077 is a deficient number, since it is larger than the sum of its proper divisors (19298327).

220466077 is a wasteful number, since it uses less digits than its factorization.

220466077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680 (or 5667 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 220466077 is about 14848.1001141560. The cubic root of 220466077 is about 604.1070788403.

The spelling of 220466077 in words is "two hundred twenty million, four hundred sixty-six thousand, seventy-seven".