20254323002500 has 120 divisors (see below), whose sum is σ = 45375294732768. Its totient is φ = 7904047200000.

The previous prime is 20254323002491. The next prime is 20254323002593. The reversal of 20254323002500 is 520032345202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92017575 + ... + 92237425.

Almost surely, 2^{20254323002500} is an apocalyptic number.

20254323002500 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 20254323002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22687647366384).

20254323002500 is an abundant number, since it is smaller than the sum of its proper divisors (25120971730268).

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

20254323002500 is a wasteful number, since it uses less digits than its factorization.

20254323002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220775 (or 220758 counting only the distinct ones).

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

Adding to 20254323002500 its reverse (520032345202), we get a palindrome (20774355347702).

The spelling of 20254323002500 in words is "twenty trillion, two hundred fifty-four billion, three hundred twenty-three million, two thousand, five hundred".