220253669 has 2 divisors, whose sum is σ = 220253670. Its totient is φ = 220253668.

The previous prime is 220253647. The next prime is 220253707. The reversal of 220253669 is 966352022.

220253669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217208644 + 3045025 = 14738^2 + 1745^2 .

It is a cyclic number.

It is not a de Polignac number, because 220253669 - 2⁸ = 220253413 is a prime.

It is a super-3 number, since 3×220253669³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220253639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110126834 + 110126835.

It is an arithmetic number, because the mean of its divisors is an integer number (110126835).

Almost surely, 2^220253669 is an apocalyptic number.

It is an amenable number.

220253669 is a deficient number, since it is larger than the sum of its proper divisors (1).

220253669 is an equidigital number, since it uses as much as digits as its factorization.

220253669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 220253669 is about 14840.9456908918. The cubic root of 220253669 is about 603.9130075508.

The spelling of 220253669 in words is "two hundred twenty million, two hundred fifty-three thousand, six hundred sixty-nine".