20322345152 has 112 divisors (see below), whose sum is σ = 43035321600. Its totient is φ = 9500789760.

The previous prime is 20322345143. The next prime is 20322345157. The reversal of 20322345152 is 25154322302.

It is not an unprimeable number, because it can be changed into a prime (20322345157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18324374 + ... + 18325482.

Almost surely, 2^20322345152 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 20322345152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21517660800).

20322345152 is an abundant number, since it is smaller than the sum of its proper divisors (22712976448).

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

20322345152 is a wasteful number, since it uses less digits than its factorization.

20322345152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20322345152 its reverse (25154322302), we get a palindrome (45476667454).

The spelling of 20322345152 in words is "twenty billion, three hundred twenty-two million, three hundred forty-five thousand, one hundred fifty-two".