20352322342452 has 24 divisors (see below), whose sum is σ = 47697953690016. Its totient is φ = 6754221510688.

The previous prime is 20352322342441. The next prime is 20352322342459. The reversal of 20352322342452 is 25424322325302.

It is a happy number.

It is a super-2 number, since 2×20352322342452² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20352322342452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352322342459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3735739263 + ... + 3735744710.

It is an arithmetic number, because the mean of its divisors is an integer number (1987414737084).

Almost surely, 2^{20352322342452} is an apocalyptic number.

It is an amenable number.

20352322342452 is an abundant number, since it is smaller than the sum of its proper divisors (27345631347564).

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

20352322342452 is a wasteful number, since it uses less digits than its factorization.

20352322342452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471484207 (or 7471484205 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 20352322342452 its reverse (25424322325302), we get a palindrome (45776644667754).

The spelling of 20352322342452 in words is "twenty trillion, three hundred fifty-two billion, three hundred twenty-two million, three hundred forty-two thousand, four hundred fifty-two".