20322452352 has 64 divisors (see below), whose sum is σ = 53999256960. Its totient is φ = 6771924480.

The previous prime is 20322452321. The next prime is 20322452357. The reversal of 20322452352 is 25325422302.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322452357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502773 + ... + 1516235.

It is an arithmetic number, because the mean of its divisors is an integer number (843738390).

Almost surely, 2^20322452352 is an apocalyptic number.

It is an amenable number.

20322452352 is an abundant number, since it is smaller than the sum of its proper divisors (33676804608).

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

20322452352 is a wasteful number, since it uses less digits than its factorization.

20322452352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17411 (or 17399 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 20322452352 its reverse (25325422302), we get a palindrome (45647874654).

The spelling of 20322452352 in words is "twenty billion, three hundred twenty-two million, four hundred fifty-two thousand, three hundred fifty-two".