20320144050 has 48 divisors (see below), whose sum is σ = 50408470080. Its totient is φ = 5417144640.

The previous prime is 20320143989. The next prime is 20320144057. The reversal of 20320144050 is 5044102302.

It is not an unprimeable number, because it can be changed into a prime (20320144057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560371 + ... + 595529.

It is an arithmetic number, because the mean of its divisors is an integer number (1050176460).

Almost surely, 2^20320144050 is an apocalyptic number.

20320144050 is an abundant number, since it is smaller than the sum of its proper divisors (30088326030).

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

20320144050 is a wasteful number, since it uses less digits than its factorization.

20320144050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39027 (or 39022 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20320144050 its reverse (5044102302), we get a palindrome (25364246352).

The spelling of 20320144050 in words is "twenty billion, three hundred twenty million, one hundred forty-four thousand, fifty".