20410530012500 has 72 divisors (see below), whose sum is σ = 47271364298424. Its totient is φ = 7683964160000.

The previous prime is 20410530012461. The next prime is 20410530012511. The reversal of 20410530012500 is 521003501402.

It can be written as a sum of positive squares in 12 ways, for example, as 19643297669776 + 767232342724 = 4432076^2 + 875918^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47812277 + ... + 48237276.

It is an arithmetic number, because the mean of its divisors is an integer number (656546726367).

Almost surely, 2^{20410530012500} is an apocalyptic number.

20410530012500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410530012500 is an abundant number, since it is smaller than the sum of its proper divisors (26860834285924).

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

20410530012500 is an equidigital number, since it uses as much as digits as its factorization.

20410530012500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96049599 (or 96049577 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20410530012500 its reverse (521003501402), we get a palindrome (20931533513902).

The spelling of 20410530012500 in words is "twenty trillion, four hundred ten billion, five hundred thirty million, twelve thousand, five hundred".