22203213203420 has 48 divisors (see below), whose sum is σ = 46969296329088. Its totient is φ = 8816044024320.

The previous prime is 22203213203387. The next prime is 22203213203429. The reversal of 22203213203420 is 2430231230222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22203213203420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203213203429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61802429 + ... + 62160651.

It is an arithmetic number, because the mean of its divisors is an integer number (978527006856).

Almost surely, 2^{22203213203420} is an apocalyptic number.

22203213203420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22203213203420 is an abundant number, since it is smaller than the sum of its proper divisors (24766083125668).

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

22203213203420 is a wasteful number, since it uses less digits than its factorization.

22203213203420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380990 (or 380988 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 22203213203420 its reverse (2430231230222), we get a palindrome (24633444433642).

The spelling of 22203213203420 in words is "twenty-two trillion, two hundred three billion, two hundred thirteen million, two hundred three thousand, four hundred twenty".