20455314120000 has 1260 divisors, whose sum is σ = 78100649991936. Its totient is φ = 5115882240000.

The previous prime is 20455314119987. The next prime is 20455314120023. The reversal of 20455314120000 is 2141355402.

20455314120000 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 531 + 4 + 120 + 0 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 13905719265 + ... + 13905720735.

Almost surely, 2^{20455314120000} is an apocalyptic number.

20455314120000 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 20455314120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39050324995968).

20455314120000 is an abundant number, since it is smaller than the sum of its proper divisors (57645335871936).

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

20455314120000 is a wasteful number, since it uses less digits than its factorization.

20455314120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20455314120000 its reverse (2141355402), we get a palindrome (20457455475402).

The spelling of 20455314120000 in words is "twenty trillion, four hundred fifty-five billion, three hundred fourteen million, one hundred twenty thousand".