11020200309 has 96 divisors (see below), whose sum is σ = 17918976000. Its totient is φ = 6688915200.

The previous prime is 11020200277. The next prime is 11020200311. The reversal of 11020200309 is 90300202011.

It is a happy number.

It is not a de Polignac number, because 11020200309 - 2⁵ = 11020200277 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11020200291 and 11020200300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020200379) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55377792 + ... + 55377990.

It is an arithmetic number, because the mean of its divisors is an integer number (186656000).

Almost surely, 2^11020200309 is an apocalyptic number.

It is an amenable number.

11020200309 is a deficient number, since it is larger than the sum of its proper divisors (6898775691).

11020200309 is a wasteful number, since it uses less digits than its factorization.

11020200309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The spelling of 11020200309 in words is "eleven billion, twenty million, two hundred thousand, three hundred nine".