11020215 has 16 divisors (see below), whose sum is σ = 17703936. Its totient is φ = 5853600.

The previous prime is 11020213. The next prime is 11020241. The reversal of 11020215 is 51202011.

It is not a de Polignac number, because 11020215 - 2¹ = 11020213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2710 + ... + 5420.

It is an arithmetic number, because the mean of its divisors is an integer number (1106496).

Almost surely, 2^11020215 is an apocalyptic number.

11020215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11020215 is a deficient number, since it is larger than the sum of its proper divisors (6683721).

11020215 is a wasteful number, since it uses less digits than its factorization.

11020215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11020215 is about 3319.6709174254. The cubic root of 11020215 is about 222.5341613163.

Adding to 11020215 its reverse (51202011), we get a palindrome (62222226).

The spelling of 11020215 in words is "eleven million, twenty thousand, two hundred fifteen".