20003023331 has 2 divisors, whose sum is σ = 20003023332. Its totient is φ = 20003023330.

The previous prime is 20003023289. The next prime is 20003023409. The reversal of 20003023331 is 13332030002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003023331 is a prime.

It is a super-2 number, since 2×20003023331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29003023331) 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 as a sum of consecutive naturals, namely, 10001511665 + 10001511666.

It is an arithmetic number, because the mean of its divisors is an integer number (10001511666).

Almost surely, 2^20003023331 is an apocalyptic number.

20003023331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003023331 is an equidigital number, since it uses as much as digits as its factorization.

20003023331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20003023331 its reverse (13332030002), we get a palindrome (33335053333).

The spelling of 20003023331 in words is "twenty billion, three million, twenty-three thousand, three hundred thirty-one".