20300025600 has 756 divisors, whose sum is σ = 79645379800. Its totient is φ = 5106032640.

The previous prime is 20300025569. The next prime is 20300025623. The reversal of 20300025600 is 652000302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 88646286 + ... + 88646514.

Almost surely, 2^20300025600 is an apocalyptic number.

20300025600 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 20300025600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39822689900).

20300025600 is an abundant number, since it is smaller than the sum of its proper divisors (59345354200).

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

20300025600 is an equidigital number, since it uses as much as digits as its factorization.

20300025600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 20300025600 its reverse (652000302), we get a palindrome (20952025902).

The spelling of 20300025600 in words is "twenty billion, three hundred million, twenty-five thousand, six hundred".