11020455 has 20 divisors (see below), whose sum is σ = 19755912. Its totient is φ = 5877360.

The previous prime is 11020447. The next prime is 11020459. The reversal of 11020455 is 55402011.

It is not a de Polignac number, because 11020455 - 2³ = 11020447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020459) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13201 + ... + 14010.

Almost surely, 2^11020455 is an apocalyptic number.

11020455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11020455 is a deficient number, since it is larger than the sum of its proper divisors (8735457).

11020455 is an equidigital number, since it uses as much as digits as its factorization.

11020455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27228 (or 27219 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 11020455 is about 3319.7070653900. The cubic root of 11020455 is about 222.5357767660.

Adding to 11020455 its reverse (55402011), we get a palindrome (66422466).

The spelling of 11020455 in words is "eleven million, twenty thousand, four hundred fifty-five".