920711045 has 16 divisors (see below), whose sum is σ = 1155479040. Its totient is φ = 702962304.

The previous prime is 920711039. The next prime is 920711089. The reversal of 920711045 is 540117029.

It is a cyclic number.

It is not a de Polignac number, because 920711045 - 2⁸ = 920710789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920710999 and 920711017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43796 + ... + 61314.

It is an arithmetic number, because the mean of its divisors is an integer number (72217440).

It is a Poulet number, since it divides 2^920711044-1.

Almost surely, 2^920711045 is an apocalyptic number.

920711045 is the 17519-th octagonal number.

It is an amenable number.

920711045 is a deficient number, since it is larger than the sum of its proper divisors (234767995).

920711045 is a wasteful number, since it uses less digits than its factorization.

920711045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18004.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 920711045 is about 30343.2207420373. The cubic root of 920711045 is about 972.8393248916.

The spelling of 920711045 in words is "nine hundred twenty million, seven hundred eleven thousand, forty-five".