11020530213 has 48 divisors (see below), whose sum is σ = 19870221696. Its totient is φ = 5718107520.

The previous prime is 11020530193. The next prime is 11020530221. The reversal of 11020530213 is 31203502011.

11020530213 is a `hidden beast` number, since 110 + 2 + 0 + 530 + 21 + 3 = 666.

It is not a de Polignac number, because 11020530213 - 2¹³ = 11020522021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020530013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 598695 + ... + 616827.

It is an arithmetic number, because the mean of its divisors is an integer number (413962952).

Almost surely, 2^11020530213 is an apocalyptic number.

It is an amenable number.

11020530213 is a deficient number, since it is larger than the sum of its proper divisors (8849691483).

11020530213 is a wasteful number, since it uses less digits than its factorization.

11020530213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19034 (or 19031 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The spelling of 11020530213 in words is "eleven billion, twenty million, five hundred thirty thousand, two hundred thirteen".