20450548752 has 160 divisors (see below), whose sum is σ = 57594063744. Its totient is φ = 6227558400.

The previous prime is 20450548733. The next prime is 20450548799. The reversal of 20450548752 is 25784505402.

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, 7057768 + ... + 7060664.

Almost surely, 2^20450548752 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 20450548752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28797031872).

20450548752 is an abundant number, since it is smaller than the sum of its proper divisors (37143514992).

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

20450548752 is a wasteful number, since it uses less digits than its factorization.

20450548752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177 (or 3171 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 42.

The spelling of 20450548752 in words is "twenty billion, four hundred fifty million, five hundred forty-eight thousand, seven hundred fifty-two".