11020400 has 30 divisors (see below), whose sum is σ = 26477472. Its totient is φ = 4408000.

The previous prime is 11020397. The next prime is 11020411. The reversal of 11020400 is 402011.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13376 + ... + 14175.

Almost surely, 2^11020400 is an apocalyptic number.

11020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020400 is an abundant number, since it is smaller than the sum of its proper divisors (15457072).

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

11020400 is a wasteful number, since it uses less digits than its factorization.

11020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27569 (or 27558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 11020400 is about 3319.6987815162. The cubic root of 11020400 is about 222.5354065609.

Adding to 11020400 its reverse (402011), we get a palindrome (11422411).

The spelling of 11020400 in words is "eleven million, twenty thousand, four hundred".