11020857 has 16 divisors (see below), whose sum is σ = 15449280. Its totient is φ = 6979392.

The previous prime is 11020847. The next prime is 11020859. The reversal of 11020857 is 75802011.

It is not a de Polignac number, because 11020857 - 2⁷ = 11020729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020859) 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, 3619 + ... + 5927.

It is an arithmetic number, because the mean of its divisors is an integer number (965580).

Almost surely, 2^11020857 is an apocalyptic number.

It is an amenable number.

11020857 is a deficient number, since it is larger than the sum of its proper divisors (4428423).

11020857 is a wasteful number, since it uses less digits than its factorization.

11020857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 11020857 is about 3319.7676123488. The cubic root of 11020857 is about 222.5384825918.

Adding to 11020857 its reverse (75802011), we get a palindrome (86822868).

The spelling of 11020857 in words is "eleven million, twenty thousand, eight hundred fifty-seven".