10720285 has 16 divisors (see below), whose sum is σ = 14094000. Its totient is φ = 7791616.

The previous prime is 10720271. The next prime is 10720289. The reversal of 10720285 is 58202701.

It can be written as a sum of positive squares in 8 ways, for example, as 550564 + 10169721 = 742^2 + 3189^2 .

It is a cyclic number.

It is not a de Polignac number, because 10720285 - 2⁵ = 10720253 is a prime.

It is a super-2 number, since 2×10720285² = 229849020962450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291 + ... + 4639.

It is an arithmetic number, because the mean of its divisors is an integer number (880875).

Almost surely, 2^10720285 is an apocalyptic number.

It is an amenable number.

10720285 is a deficient number, since it is larger than the sum of its proper divisors (3373715).

10720285 is a wasteful number, since it uses less digits than its factorization.

10720285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 10720285 is about 3274.1846313243. The cubic root of 10720285 is about 220.4967082840.

Adding to 10720285 its reverse (58202701), we get a palindrome (68922986).

The spelling of 10720285 in words is "ten million, seven hundred twenty thousand, two hundred eighty-five".