20304233020 has 24 divisors (see below), whose sum is σ = 44492755104. Its totient is φ = 7768575936.

The previous prime is 20304233011. The next prime is 20304233051. The reversal of 20304233020 is 2033240302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22069359 + ... + 22070278.

It is an arithmetic number, because the mean of its divisors is an integer number (1853864796).

Almost surely, 2^20304233020 is an apocalyptic number.

20304233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20304233020 is an abundant number, since it is smaller than the sum of its proper divisors (24188522084).

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

20304233020 is a wasteful number, since it uses less digits than its factorization.

20304233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44139669 (or 44139667 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20304233020 its reverse (2033240302), we get a palindrome (22337473322).

The spelling of 20304233020 in words is "twenty billion, three hundred four million, two hundred thirty-three thousand, twenty".