11020090 has 16 divisors (see below), whose sum is σ = 20259072. Its totient is φ = 4314064.

The previous prime is 11020081. The next prime is 11020091. The reversal of 11020090 is 9002011.

It is a self number, because there is not a number n which added to its sum of digits gives 11020090.

It is not an unprimeable number, because it can be changed into a prime (11020091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11254 + ... + 12193.

It is an arithmetic number, because the mean of its divisors is an integer number (1266192).

Almost surely, 2^11020090 is an apocalyptic number.

11020090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11020090 is a deficient number, since it is larger than the sum of its proper divisors (9238982).

11020090 is a wasteful number, since it uses less digits than its factorization.

11020090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23501.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 11020090 is about 3319.6520902046. The cubic root of 11020090 is about 222.5333199269.

The spelling of 11020090 in words is "eleven million, twenty thousand, ninety".