22331310420 has 48 divisors (see below), whose sum is σ = 65246267520. Its totient is φ = 5696102016.

The previous prime is 22331310403. The next prime is 22331310431. The reversal of 22331310420 is 2401313322.

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, 8089675 + ... + 8092434.

It is an arithmetic number, because the mean of its divisors is an integer number (1359297240).

Almost surely, 2^22331310420 is an apocalyptic number.

22331310420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331310420 is an abundant number, since it is smaller than the sum of its proper divisors (42914957100).

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

22331310420 is a wasteful number, since it uses less digits than its factorization.

22331310420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16182144 (or 16182142 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22331310420 its reverse (2401313322), we get a palindrome (24732623742).

The spelling of 22331310420 in words is "twenty-two billion, three hundred thirty-one million, three hundred ten thousand, four hundred twenty".