20011303303300 has 72 divisors (see below), whose sum is σ = 44057253905280. Its totient is φ = 7887997958400.

The previous prime is 20011303303291. The next prime is 20011303303309. The reversal of 20011303303300 is 330330311002.

It is an interprime number because it is at equal distance from previous prime (20011303303291) and next prime (20011303303309).

It is not an unprimeable number, because it can be changed into a prime (20011303303309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14157297 + ... + 15506503.

It is an arithmetic number, because the mean of its divisors is an integer number (611906304240).

Almost surely, 2^{20011303303300} is an apocalyptic number.

20011303303300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20011303303300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22028626952640).

20011303303300 is an abundant number, since it is smaller than the sum of its proper divisors (24045950601980).

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

20011303303300 is a wasteful number, since it uses less digits than its factorization.

20011303303300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351381 (or 1351374 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 20011303303300 its reverse (330330311002), we get a palindrome (20341633614302).

The spelling of 20011303303300 in words is "twenty trillion, eleven billion, three hundred three million, three hundred three thousand, three hundred".