20224222432 has 48 divisors (see below), whose sum is σ = 41132593152. Its totient is φ = 9778354560.

The previous prime is 20224222423. The next prime is 20224222441. The reversal of 20224222432 is 23422242202.

It is an interprime number because it is at equal distance from previous prime (20224222423) and next prime (20224222441).

It is a junction number, because it is equal to n+sod(n) for n = 20224222397 and 20224222406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404453 + ... + 1418779.

It is an arithmetic number, because the mean of its divisors is an integer number (856929024).

Almost surely, 2^20224222432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20224222432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20566296576).

20224222432 is an abundant number, since it is smaller than the sum of its proper divisors (20908370720).

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

20224222432 is a wasteful number, since it uses less digits than its factorization.

20224222432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15791 (or 15783 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 20224222432 its reverse (23422242202), we get a palindrome (43646464634).

The spelling of 20224222432 in words is "twenty billion, two hundred twenty-four million, two hundred twenty-two thousand, four hundred thirty-two".