20324552002000 has 320 divisors, whose sum is σ = 51554471874048. Its totient is φ = 7735073280000.

The previous prime is 20324552001979. The next prime is 20324552002037. The reversal of 20324552002000 is 20025542302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8326320780 + ... + 8326323220.

Almost surely, 2^{20324552002000} is an apocalyptic number.

20324552002000 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 20324552002000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25777235937024).

20324552002000 is an abundant number, since it is smaller than the sum of its proper divisors (31229919872048).

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

20324552002000 is a wasteful number, since it uses less digits than its factorization.

20324552002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20324552002000 its reverse (20025542302), we get a palindrome (20344577544302).

The spelling of 20324552002000 in words is "twenty trillion, three hundred twenty-four billion, five hundred fifty-two million, two thousand".