20424111232 has 32 divisors (see below), whose sum is σ = 46501326720. Its totient is φ = 8753190144.

The previous prime is 20424111221. The next prime is 20424111247. The reversal of 20424111232 is 23211142402.

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

It is a nialpdrome in base 14.

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, 11396488 + ... + 11398279.

It is an arithmetic number, because the mean of its divisors is an integer number (1453166460).

Almost surely, 2^20424111232 is an apocalyptic number.

It is an amenable number.

20424111232 is an abundant number, since it is smaller than the sum of its proper divisors (26077215488).

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

20424111232 is an equidigital number, since it uses as much as digits as its factorization.

20424111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794788 (or 22794776 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20424111232 its reverse (23211142402), we get a palindrome (43635253634).

The spelling of 20424111232 in words is "twenty billion, four hundred twenty-four million, one hundred eleven thousand, two hundred thirty-two".