20215133336 has 32 divisors (see below), whose sum is σ = 38488684080. Its totient is φ = 9951638400.

The previous prime is 20215133333. The next prime is 20215133363. The reversal of 20215133336 is 63333151202.

It is a junction number, because it is equal to n+sod(n) for n = 20215133299 and 20215133308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20215133333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181966 + ... + 1198946.

Almost surely, 2^20215133336 is an apocalyptic number.

It is an amenable number.

20215133336 is a deficient number, since it is larger than the sum of its proper divisors (18273550744).

20215133336 is a wasteful number, since it uses less digits than its factorization.

20215133336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275 (or 19271 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 20215133336 its reverse (63333151202), we get a palindrome (83548284538).

The spelling of 20215133336 in words is "twenty billion, two hundred fifteen million, one hundred thirty-three thousand, three hundred thirty-six".