22320031420 has 12 divisors (see below), whose sum is σ = 46872066024. Its totient is φ = 8928012560.

The previous prime is 22320031411. The next prime is 22320031423. The reversal of 22320031420 is 2413002322.

It is a super-3 number, since 3×22320031420³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320031423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558000766 + ... + 558000805.

It is an arithmetic number, because the mean of its divisors is an integer number (3906005502).

Almost surely, 2^22320031420 is an apocalyptic number.

22320031420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22320031420 is an abundant number, since it is smaller than the sum of its proper divisors (24552034604).

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

22320031420 is a wasteful number, since it uses less digits than its factorization.

22320031420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116001580 (or 1116001578 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22320031420 its reverse (2413002322), we get a palindrome (24733033742).

The spelling of 22320031420 in words is "twenty-two billion, three hundred twenty million, thirty-one thousand, four hundred twenty".