20424303222 has 32 divisors (see below), whose sum is σ = 42327014400. Its totient is φ = 6562475808.

The previous prime is 20424303199. The next prime is 20424303233. The reversal of 20424303222 is 22230342402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20424303192 and 20424303201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8929 + ... + 202307.

It is an arithmetic number, because the mean of its divisors is an integer number (1322719200).

Almost surely, 2^20424303222 is an apocalyptic number.

20424303222 is an abundant number, since it is smaller than the sum of its proper divisors (21902711178).

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

20424303222 is a wasteful number, since it uses less digits than its factorization.

20424303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194020.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20424303222 its reverse (22230342402), we get a palindrome (42654645624).

The spelling of 20424303222 in words is "twenty billion, four hundred twenty-four million, three hundred three thousand, two hundred twenty-two".