11020232205 has 48 divisors (see below), whose sum is σ = 19462837680. Its totient is φ = 5767179264.

The previous prime is 11020232173. The next prime is 11020232231. The reversal of 11020232205 is 50223202011.

It can be written as a sum of positive squares in 8 ways, for example, as 2042859204 + 8977373001 = 45198^2 + 94749^2 .

It is not a de Polignac number, because 11020232205 - 2⁵ = 11020232173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 638631 + ... + 655659.

It is an arithmetic number, because the mean of its divisors is an integer number (405475785).

Almost surely, 2^11020232205 is an apocalyptic number.

11020232205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11020232205 is a deficient number, since it is larger than the sum of its proper divisors (8442605475).

11020232205 is a wasteful number, since it uses less digits than its factorization.

11020232205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17310 (or 17307 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 11020232205 its reverse (50223202011), we get a palindrome (61243434216).

It can be divided in two parts, 1 and 1020232205, that added together give a triangular number (1020232206 = T₄₅₁₇₁).

The spelling of 11020232205 in words is "eleven billion, twenty million, two hundred thirty-two thousand, two hundred five".