20353322112 has 32 divisors (see below), whose sum is σ = 54063512880. Its totient is φ = 6784440576.

The previous prime is 20353322071. The next prime is 20353322137. The reversal of 20353322112 is 21122335302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26501338 + ... + 26502105.

Almost surely, 2^20353322112 is an apocalyptic number.

It is an amenable number.

20353322112 is an abundant number, since it is smaller than the sum of its proper divisors (33710190768).

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

20353322112 is an equidigital number, since it uses as much as digits as its factorization.

20353322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53003460 (or 53003448 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 20353322112 its reverse (21122335302), we get a palindrome (41475657414).

The spelling of 20353322112 in words is "twenty billion, three hundred fifty-three million, three hundred twenty-two thousand, one hundred twelve".