11020657 has 12 divisors (see below), whose sum is σ = 11705904. Its totient is φ = 10373000.

The previous prime is 11020651. The next prime is 11020693. The reversal of 11020657 is 75602011.

It is not a de Polignac number, because 11020657 - 2³ = 11020649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43782 + ... + 44032.

It is an arithmetic number, because the mean of its divisors is an integer number (975492).

Almost surely, 2^11020657 is an apocalyptic number.

It is an amenable number.

11020657 is a deficient number, since it is larger than the sum of its proper divisors (685247).

11020657 is an equidigital number, since it uses as much as digits as its factorization.

11020657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 11020657 is about 3319.7374896217. The cubic root of 11020657 is about 222.5371364181.

Adding to 11020657 its reverse (75602011), we get a palindrome (86622668).

The spelling of 11020657 in words is "eleven million, twenty thousand, six hundred fifty-seven".