20005331244250 has 128 divisors (see below), whose sum is σ = 43009756358400. Its totient is φ = 6890988384000.

The previous prime is 20005331244211. The next prime is 20005331244257. The reversal of 20005331244250 is 5244213350002.

It is not an unprimeable number, because it can be changed into a prime (20005331244257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 610106856 + ... + 610139644.

It is an arithmetic number, because the mean of its divisors is an integer number (336013721550).

Almost surely, 2^{20005331244250} is an apocalyptic number.

20005331244250 is an abundant number, since it is smaller than the sum of its proper divisors (23004425114150).

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

20005331244250 is a wasteful number, since it uses less digits than its factorization.

20005331244250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44513 (or 44503 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 20005331244250 its reverse (5244213350002), we get a palindrome (25249544594252).

The spelling of 20005331244250 in words is "twenty trillion, five billion, three hundred thirty-one million, two hundred forty-four thousand, two hundred fifty".