20133333331 has 8 divisors (see below), whose sum is σ = 20170988240. Its totient is φ = 20095713792.

The previous prime is 20133333293. The next prime is 20133333361. The reversal of 20133333331 is 13333333102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20133333331 - 2²¹ = 20131236179 is a prime.

It is a super-2 number, since 2×20133333331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133333296 and 20133333305.

It is not an unprimeable number, because it can be changed into a prime (20133333361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307131 + ... + 1322443.

It is an arithmetic number, because the mean of its divisors is an integer number (2521373530).

Almost surely, 2^20133333331 is an apocalyptic number.

20133333331 is a deficient number, since it is larger than the sum of its proper divisors (37654909).

20133333331 is a wasteful number, since it uses less digits than its factorization.

20133333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17685.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 20133333331 its reverse (13333333102), we get a palindrome (33466666433).

The spelling of 20133333331 in words is "twenty billion, one hundred thirty-three million, three hundred thirty-three thousand, three hundred thirty-one".