20333311230 has 64 divisors (see below), whose sum is σ = 51619368960. Its totient is φ = 5115407616.

The previous prime is 20333311217. The next prime is 20333311237. The reversal of 20333311230 is 3211333302.

It is a super-2 number, since 2×20333311230² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20333311197 and 20333311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333311237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151470 + ... + 252209.

It is an arithmetic number, because the mean of its divisors is an integer number (806552640).

Almost surely, 2^20333311230 is an apocalyptic number.

20333311230 is an abundant number, since it is smaller than the sum of its proper divisors (31286057730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20333311230 is a wasteful number, since it uses less digits than its factorization.

20333311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403785.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20333311230 its reverse (3211333302), we get a palindrome (23544644532).

The spelling of 20333311230 in words is "twenty billion, three hundred thirty-three million, three hundred eleven thousand, two hundred thirty".