20033003320 has 64 divisors (see below), whose sum is σ = 52064402400. Its totient is φ = 6856212480.

The previous prime is 20033003299. The next prime is 20033003323. The reversal of 20033003320 is 2330033002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20033003294 and 20033003303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20033003323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331625 + ... + 1346584.

Almost surely, 2^20033003320 is an apocalyptic number.

20033003320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033003320 is an abundant number, since it is smaller than the sum of its proper divisors (32031399080).

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

20033003320 is a wasteful number, since it uses less digits than its factorization.

20033003320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678248 (or 2678244 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 16.

Adding to 20033003320 its reverse (2330033002), we get a palindrome (22363036322).

The spelling of 20033003320 in words is "twenty billion, thirty-three million, three thousand, three hundred twenty".