20013203331 has 32 divisors (see below), whose sum is σ = 32436368640. Its totient is φ = 12094790400.

The previous prime is 20013203321. The next prime is 20013203333. The reversal of 20013203331 is 13330231002.

20013203331 is a `hidden beast` number, since 200 + 132 + 0 + 3 + 331 = 666.

It is not a de Polignac number, because 20013203331 - 2⁵ = 20013203299 is a prime.

It is a super-2 number, since 2×20013203331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013203333) 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 31 ways as a sum of consecutive naturals, for example, 9396 + ... + 200286.

It is an arithmetic number, because the mean of its divisors is an integer number (1013636520).

Almost surely, 2^20013203331 is an apocalyptic number.

20013203331 is a deficient number, since it is larger than the sum of its proper divisors (12423165309).

20013203331 is a wasteful number, since it uses less digits than its factorization.

20013203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191264 (or 191258 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20013203331 its reverse (13330231002), we get a palindrome (33343434333).

The spelling of 20013203331 in words is "twenty billion, thirteen million, two hundred three thousand, three hundred thirty-one".