20450504150000 has 120 divisors (see below), whose sum is σ = 49532660675568. Its totient is φ = 8179001600000.

The previous prime is 20450504149997. The next prime is 20450504150017. The reversal of 20450504150000 is 5140505402.

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, 392023919 + ... + 392076081.

Almost surely, 2^{20450504150000} is an apocalyptic number.

20450504150000 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 20450504150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24766330337784).

20450504150000 is an abundant number, since it is smaller than the sum of its proper divisors (29082156525568).

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

20450504150000 is an frugal number, since it uses more digits than its factorization.

20450504150000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60037 (or 60011 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 20450504150000 its reverse (5140505402), we get a palindrome (20455644655402).

The spelling of 20450504150000 in words is "twenty trillion, four hundred fifty billion, five hundred four million, one hundred fifty thousand".