20320436061150 has 96 divisors (see below), whose sum is σ = 52775597288448. Its totient is φ = 5164471593600.

The previous prime is 20320436061137. The next prime is 20320436061157. The reversal of 20320436061150 is 5116063402302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320436061157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9676086 + ... + 11587385.

It is an arithmetic number, because the mean of its divisors is an integer number (549745805088).

Almost surely, 2^{20320436061150} is an apocalyptic number.

20320436061150 is an abundant number, since it is smaller than the sum of its proper divisors (32455161227298).

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

20320436061150 is a wasteful number, since it uses less digits than its factorization.

20320436061150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263786 (or 21263781 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 20320436061150 its reverse (5116063402302), we get a palindrome (25436499463452).

The spelling of 20320436061150 in words is "twenty trillion, three hundred twenty billion, four hundred thirty-six million, sixty-one thousand, one hundred fifty".