20352450552 has 64 divisors (see below), whose sum is σ = 61210387200. Its totient is φ = 5508933120.

The previous prime is 20352450523. The next prime is 20352450557. The reversal of 20352450552 is 25505425302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20352450557) 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, 3184849 + ... + 3191232.

It is an arithmetic number, because the mean of its divisors is an integer number (956412300).

Almost surely, 2^20352450552 is an apocalyptic number.

It is an amenable number.

20352450552 is an abundant number, since it is smaller than the sum of its proper divisors (40857936648).

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

20352450552 is a wasteful number, since it uses less digits than its factorization.

20352450552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6376116 (or 6376112 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 20352450552 its reverse (25505425302), we get a palindrome (45857875854).

The spelling of 20352450552 in words is "twenty billion, three hundred fifty-two million, four hundred fifty thousand, five hundred fifty-two".