20133333320 has 32 divisors (see below), whose sum is σ = 45715606200. Its totient is φ = 7979447808.

The previous prime is 20133333293. The next prime is 20133333361. The reversal of 20133333320 is 2333333102.

It can be written as a sum of positive squares in 4 ways, for example, as 20071522276 + 61811044 = 141674^2 + 7862^2 .

It is a super-2 number, since 2×20133333320² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304509 + ... + 2313228.

Almost surely, 2^20133333320 is an apocalyptic number.

20133333320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133333320 is an abundant number, since it is smaller than the sum of its proper divisors (25582272880).

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

20133333320 is a wasteful number, since it uses less digits than its factorization.

20133333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617857 (or 4617853 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20133333320 its reverse (2333333102), we get a palindrome (22466666422).

It can be divided in two parts, 2013 and 3333320, that added together give a palindrome (3335333).

The spelling of 20133333320 in words is "twenty billion, one hundred thirty-three million, three hundred thirty-three thousand, three hundred twenty".