22023432420 has 96 divisors (see below), whose sum is σ = 70196474880. Its totient is φ = 5106879360.

The previous prime is 22023432383. The next prime is 22023432491. The reversal of 22023432420 is 2423432022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 710230 + ... + 740589.

It is an arithmetic number, because the mean of its divisors is an integer number (731213280).

Almost surely, 2^22023432420 is an apocalyptic number.

22023432420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22023432420 is an abundant number, since it is smaller than the sum of its proper divisors (48173042460).

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

22023432420 is a wasteful number, since it uses less digits than its factorization.

22023432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450865 (or 1450863 counting only the distinct ones).

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

Adding to 22023432420 its reverse (2423432022), we get a palindrome (24446864442).

The spelling of 22023432420 in words is "twenty-two billion, twenty-three million, four hundred thirty-two thousand, four hundred twenty".