11020203030 has 32 divisors (see below), whose sum is σ = 26452155744. Its totient is φ = 2938313216.

The previous prime is 11020203011. The next prime is 11020203031. The reversal of 11020203030 is 3030202011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11020202997 and 11020203015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020203031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239662 + ... + 281918.

It is an arithmetic number, because the mean of its divisors is an integer number (826629867).

Almost surely, 2^11020203030 is an apocalyptic number.

11020203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11020203030 is an abundant number, since it is smaller than the sum of its proper divisors (15431952714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11020203030 is a wasteful number, since it uses less digits than its factorization.

11020203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50960.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 11020203030 its reverse (3030202011), we get a palindrome (14050405041).

The spelling of 11020203030 in words is "eleven billion, twenty million, two hundred three thousand, thirty".