20300002443600 has 480 divisors, whose sum is σ = 75129971088384. Its totient is φ = 4630632652800.

The previous prime is 20300002443577. The next prime is 20300002443601. The reversal of 20300002443600 is 634420000302.

It is a happy number.

It is a super-3 number, since 3×20300002443600³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300002443601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1297697379 + ... + 1297713021.

Almost surely, 2^{20300002443600} is an apocalyptic number.

20300002443600 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 20300002443600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37564985544192).

20300002443600 is an abundant number, since it is smaller than the sum of its proper divisors (54829968644784).

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

20300002443600 is a wasteful number, since it uses less digits than its factorization.

20300002443600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21475 (or 21464 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20300002443600 its reverse (634420000302), we get a palindrome (20934422443902).

The spelling of 20300002443600 in words is "twenty trillion, three hundred billion, two million, four hundred forty-three thousand, six hundred".