11203303020 has 96 divisors (see below), whose sum is σ = 38608324608. Its totient is φ = 2363772672.

The previous prime is 11203303019. The next prime is 11203303039. The reversal of 11203303020 is 2030330211.

It is a super-2 number, since 2×11203303020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020484 + ... + 1031403.

It is an arithmetic number, because the mean of its divisors is an integer number (402170048).

Almost surely, 2^11203303020 is an apocalyptic number.

11203303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203303020 is an abundant number, since it is smaller than the sum of its proper divisors (27405021588).

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

11203303020 is a wasteful number, since it uses less digits than its factorization.

11203303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051919 (or 2051917 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 11203303020 its reverse (2030330211), we get a palindrome (13233633231).

The spelling of 11203303020 in words is "eleven billion, two hundred three million, three hundred three thousand, twenty".