10720831 has 8 divisors (see below), whose sum is σ = 11894400. Its totient is φ = 9580440.

The previous prime is 10720799. The next prime is 10720837. The reversal of 10720831 is 13802701.

10720831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10720831 - 2⁵ = 10720799 is a prime.

It is a super-2 number, since 2×10720831² = 229872434661122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7611 + ... + 8908.

It is an arithmetic number, because the mean of its divisors is an integer number (1486800).

Almost surely, 2^10720831 is an apocalyptic number.

10720831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10720831 is a deficient number, since it is larger than the sum of its proper divisors (1173569).

10720831 is a wasteful number, since it uses less digits than its factorization.

10720831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16589.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 10720831 is about 3274.2680098001. The cubic root of 10720831 is about 220.5004516285.

The spelling of 10720831 in words is "ten million, seven hundred twenty thousand, eight hundred thirty-one".