20450322032 has 40 divisors (see below), whose sum is σ = 45311433216. Its totient is φ = 8758892736.

The previous prime is 20450322031. The next prime is 20450322047. The reversal of 20450322032 is 23022305402.

It is a junction number, because it is equal to n+sod(n) for n = 20450321989 and 20450322007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450322031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123173 + ... + 236795.

Almost surely, 2^20450322032 is an apocalyptic number.

It is an amenable number.

20450322032 is an abundant number, since it is smaller than the sum of its proper divisors (24861111184).

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

20450322032 is a wasteful number, since it uses less digits than its factorization.

20450322032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115245 (or 115239 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 20450322032 its reverse (23022305402), we get a palindrome (43472627434).

The spelling of 20450322032 in words is "twenty billion, four hundred fifty million, three hundred twenty-two thousand, thirty-two".