20325144140000 has 480 divisors, whose sum is σ = 59889183076800. Its totient is φ = 6780195072000.

The previous prime is 20325144139981. The next prime is 20325144140003. The reversal of 20325144140000 is 4144152302.

It is a super-2 number, since 2×20325144140000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325144140003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 253779962 + ... + 253860038.

It is an arithmetic number, because the mean of its divisors is an integer number (124769131410).

Almost surely, 2^{20325144140000} is an apocalyptic number.

20325144140000 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 20325144140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29944591538400).

20325144140000 is an abundant number, since it is smaller than the sum of its proper divisors (39564038936800).

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

20325144140000 is an frugal number, since it uses more digits than its factorization.

20325144140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80165 (or 80128 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 20325144140000 its reverse (4144152302), we get a palindrome (20329288292302).

The spelling of 20325144140000 in words is "twenty trillion, three hundred twenty-five billion, one hundred forty-four million, one hundred forty thousand".