11333312020 has 12 divisors (see below), whose sum is σ = 23799955284. Its totient is φ = 4533324800.

The previous prime is 11333312009. The next prime is 11333312059. The reversal of 11333312020 is 2021333311.

It can be written as a sum of positive squares in 2 ways, for example, as 7326675216 + 4006636804 = 85596^2 + 63298^2 .

It is a super-2 number, since 2×11333312020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283332781 + ... + 283332820.

It is an arithmetic number, because the mean of its divisors is an integer number (1983329607).

Almost surely, 2^11333312020 is an apocalyptic number.

11333312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11333312020 is an abundant number, since it is smaller than the sum of its proper divisors (12466643264).

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

11333312020 is a wasteful number, since it uses less digits than its factorization.

11333312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566665610 (or 566665608 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11333312020 its reverse (2021333311), we get a palindrome (13354645331).

The spelling of 11333312020 in words is "eleven billion, three hundred thirty-three million, three hundred twelve thousand, twenty".