10720056 has 32 divisors (see below), whose sum is σ = 26933760. Its totient is φ = 3555552.

The previous prime is 10720043. The next prime is 10720069. The reversal of 10720056 is 65002701.

It is an interprime number because it is at equal distance from previous prime (10720043) and next prime (10720069).

It is a super-2 number, since 2×10720056² = 229839201286272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4351 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (841680).

Almost surely, 2^10720056 is an apocalyptic number.

It is an amenable number.

10720056 is an abundant number, since it is smaller than the sum of its proper divisors (16213704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10720056 is a wasteful number, since it uses less digits than its factorization.

10720056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10720056 is about 3274.1496605989. The cubic root of 10720056 is about 220.4951382354.

Adding to 10720056 its reverse (65002701), we get a palindrome (75722757).

The spelling of 10720056 in words is "ten million, seven hundred twenty thousand, fifty-six".