11020656 has 40 divisors (see below), whose sum is σ = 28589440. Its totient is φ = 3658176.

The previous prime is 11020651. The next prime is 11020693. The reversal of 11020656 is 65602011.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 20811 + ... + 21333.

It is an arithmetic number, because the mean of its divisors is an integer number (714736).

Almost surely, 2^11020656 is an apocalyptic number.

11020656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11020656 is an abundant number, since it is smaller than the sum of its proper divisors (17568784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020656 is a wasteful number, since it uses less digits than its factorization.

11020656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 11020656 is about 3319.7373390074. The cubic root of 11020656 is about 222.5371296872.

Adding to 11020656 its reverse (65602011), we get a palindrome (76622667).

The spelling of 11020656 in words is "eleven million, twenty thousand, six hundred fifty-six".