11020456 has 16 divisors (see below), whose sum is σ = 21751200. Its totient is φ = 5220144.

The previous prime is 11020447. The next prime is 11020459. The reversal of 11020456 is 65402011.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 3 ways as a sum of consecutive naturals, for example, 36100 + ... + 36403.

It is an arithmetic number, because the mean of its divisors is an integer number (1359450).

Almost surely, 2^11020456 is an apocalyptic number.

It is an amenable number.

11020456 is a deficient number, since it is larger than the sum of its proper divisors (10730744).

11020456 is a wasteful number, since it uses less digits than its factorization.

11020456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72528 (or 72524 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11020456 is about 3319.7072160057. The cubic root of 11020456 is about 222.5357834970.

Adding to 11020456 its reverse (65402011), we get a palindrome (76422467).

It can be divided in two parts, 11020 and 456, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 11020456 in words is "eleven million, twenty thousand, four hundred fifty-six".