10920217 has 16 divisors (see below), whose sum is σ = 13986432. Its totient is φ = 8277120.

The previous prime is 10920209. The next prime is 10920223. The reversal of 10920217 is 71202901.

It is a cyclic number.

It is not a de Polignac number, because 10920217 - 2³ = 10920209 is a prime.

It is a super-2 number, since 2×10920217² = 238502278654178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10920017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933 + ... + 4765.

It is an arithmetic number, because the mean of its divisors is an integer number (874152).

Almost surely, 2^10920217 is an apocalyptic number.

It is an amenable number.

10920217 is a deficient number, since it is larger than the sum of its proper divisors (3066215).

10920217 is a wasteful number, since it uses less digits than its factorization.

10920217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 10920217 is about 3304.5751618022. The cubic root of 10920217 is about 221.8590195989.

The spelling of 10920217 in words is "ten million, nine hundred twenty thousand, two hundred seventeen".