10720880 has 40 divisors (see below), whose sum is σ = 26395632. Its totient is φ = 4035584.

The previous prime is 10720877. The next prime is 10720891. The reversal of 10720880 is 8802701.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10720880² = 229874535948800, which contains 22 as substring.

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, 2582 + ... + 5301.

Almost surely, 2^10720880 is an apocalyptic number.

10720880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10720880 is an abundant number, since it is smaller than the sum of its proper divisors (15674752).

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

10720880 is a wasteful number, since it uses less digits than its factorization.

10720880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913 (or 7907 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 10720880 is about 3274.2754923800. The cubic root of 10720880 is about 220.5007875634.

The spelling of 10720880 in words is "ten million, seven hundred twenty thousand, eight hundred eighty".