20205323425000 has 288 divisors, whose sum is σ = 57116340570240. Its totient is φ = 6562911600000.

The previous prime is 20205323424961. The next prime is 20205323425037. The reversal of 20205323425000 is 52432350202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 20205323425000.

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, 63015085 + ... + 63334915.

It is an arithmetic number, because the mean of its divisors is an integer number (198320626980).

Almost surely, 2^{20205323425000} is an apocalyptic number.

20205323425000 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 20205323425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28558170285120).

20205323425000 is an abundant number, since it is smaller than the sum of its proper divisors (36911017145240).

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

20205323425000 is an equidigital number, since it uses as much as digits as its factorization.

20205323425000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319907 (or 319864 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 20205323425000 its reverse (52432350202), we get a palindrome (20257755775202).

The spelling of 20205323425000 in words is "twenty trillion, two hundred five billion, three hundred twenty-three million, four hundred twenty-five thousand".