20553205114104 has 128 divisors (see below), whose sum is σ = 57135295150080. Its totient is φ = 6118483392000.

The previous prime is 20553205114093. The next prime is 20553205114121. The reversal of 20553205114104 is 40141150235502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37516554 + ... + 38060454.

It is an arithmetic number, because the mean of its divisors is an integer number (446369493360).

Almost surely, 2^{20553205114104} is an apocalyptic number.

20553205114104 is a gapful number since it is divisible by the number (24) 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 20553205114104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28567647575040).

20553205114104 is an abundant number, since it is smaller than the sum of its proper divisors (36582090035976).

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

20553205114104 is a wasteful number, since it uses less digits than its factorization.

20553205114104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547861 (or 547857 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 20553205114104 its reverse (40141150235502), we get a palindrome (60694355349606).

The spelling of 20553205114104 in words is "twenty trillion, five hundred fifty-three billion, two hundred five million, one hundred fourteen thousand, one hundred four".