20020230333 has 6 divisors (see below), whose sum is σ = 28918110494. Its totient is φ = 13346820216.

The previous prime is 20020230313. The next prime is 20020230371. The reversal of 20020230333 is 33303202002.

It can be written as a sum of positive squares in only one way, i.e., 14395680324 + 5624550009 = 119982^2 + 74997^2 .

It is not a de Polignac number, because 20020230333 - 2¹⁰ = 20020229309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020230313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1112235010 + ... + 1112235027.

Almost surely, 2^20020230333 is an apocalyptic number.

It is an amenable number.

20020230333 is a deficient number, since it is larger than the sum of its proper divisors (8897880161).

20020230333 is a wasteful number, since it uses less digits than its factorization.

20020230333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224470043 (or 2224470040 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20020230333 its reverse (33303202002), we get a palindrome (53323432335).

The spelling of 20020230333 in words is "twenty billion, twenty million, two hundred thirty thousand, three hundred thirty-three".