20301203100 has 72 divisors (see below), whose sum is σ = 58945949440. Its totient is φ = 5394502080.

The previous prime is 20301203099. The next prime is 20301203107. The reversal of 20301203100 is 130210302.

It is a happy number.

It is a super-3 number, since 3×20301203100³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301203107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34660 + ... + 204459.

Almost surely, 2^20301203100 is an apocalyptic number.

20301203100 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 20301203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29472974720).

20301203100 is an abundant number, since it is smaller than the sum of its proper divisors (38644746340).

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

20301203100 is a wasteful number, since it uses less digits than its factorization.

20301203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239419 (or 239412 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20301203100 its reverse (130210302), we get a palindrome (20431413402).

The spelling of 20301203100 in words is "twenty billion, three hundred one million, two hundred three thousand, one hundred".