20554120314252 has 216 divisors, whose sum is σ = 60975330343200. Its totient is φ = 5820685194240.

The previous prime is 20554120314187. The next prime is 20554120314269. The reversal of 20554120314252 is 25241302145502.

20554120314252 is a `hidden beast` number, since 2 + 0 + 5 + 541 + 20 + 3 + 1 + 42 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102711252 + ... + 102911172.

Almost surely, 2^{20554120314252} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20554120314252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30487665171600).

20554120314252 is an abundant number, since it is smaller than the sum of its proper divisors (40421210028948).

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

20554120314252 is a wasteful number, since it uses less digits than its factorization.

20554120314252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200461 (or 200449 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 20554120314252 its reverse (25241302145502), we get a palindrome (45795422459754).

The spelling of 20554120314252 in words is "twenty trillion, five hundred fifty-four billion, one hundred twenty million, three hundred fourteen thousand, two hundred fifty-two".