20020333331 has 2 divisors, whose sum is σ = 20020333332. Its totient is φ = 20020333330.

The previous prime is 20020333259. The next prime is 20020333357. The reversal of 20020333331 is 13333302002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20020333331 - 2¹⁸ = 20020071187 is a prime.

It is a super-2 number, since 2×20020333331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20020333391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010166665 + 10010166666.

It is an arithmetic number, because the mean of its divisors is an integer number (10010166666).

Almost surely, 2^20020333331 is an apocalyptic number.

20020333331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020333331 is an equidigital number, since it uses as much as digits as its factorization.

20020333331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20020333331 its reverse (13333302002), we get a palindrome (33353635333).

The spelling of 20020333331 in words is "twenty billion, twenty million, three hundred thirty-three thousand, three hundred thirty-one".