20243450112 has 36 divisors (see below), whose sum is σ = 53877101040. Its totient is φ = 6747816448.

The previous prime is 20243450093. The next prime is 20243450119. The reversal of 20243450112 is 21105434202.

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

It is not an unprimeable number, because it can be changed into a prime (20243450119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13178562 + ... + 13180097.

It is an arithmetic number, because the mean of its divisors is an integer number (1496586140).

Almost surely, 2^20243450112 is an apocalyptic number.

It is an amenable number.

20243450112 is an abundant number, since it is smaller than the sum of its proper divisors (33633650928).

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

20243450112 is an equidigital number, since it uses as much as digits as its factorization.

20243450112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26358678 (or 26358664 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20243450112 its reverse (21105434202), we get a palindrome (41348884314).

The spelling of 20243450112 in words is "twenty billion, two hundred forty-three million, four hundred fifty thousand, one hundred twelve".