20302111200 has 432 divisors, whose sum is σ = 79536628080. Its totient is φ = 4479713280.

The previous prime is 20302111189. The next prime is 20302111223. The reversal of 20302111200 is 211120302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3407424 + ... + 3413376.

It is an arithmetic number, because the mean of its divisors is an integer number (184112565).

Almost surely, 2^20302111200 is an apocalyptic number.

20302111200 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 20302111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39768314040).

20302111200 is an abundant number, since it is smaller than the sum of its proper divisors (59234516880).

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

20302111200 is a wasteful number, since it uses less digits than its factorization.

20302111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20302111200 its reverse (211120302), we get a palindrome (20513231502).

The spelling of 20302111200 in words is "twenty billion, three hundred two million, one hundred eleven thousand, two hundred".