22003203120 has 40 divisors (see below), whose sum is σ = 68209930416. Its totient is φ = 5867520768.

The previous prime is 22003203119. The next prime is 22003203121. The reversal of 22003203120 is 2130230022.

It is an interprime number because it is at equal distance from previous prime (22003203119) and next prime (22003203121).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22003203120.

It is not an unprimeable number, because it can be changed into a prime (22003203121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45839767 + ... + 45840246.

Almost surely, 2^22003203120 is an apocalyptic number.

22003203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22003203120 is an abundant number, since it is smaller than the sum of its proper divisors (46206727296).

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

22003203120 is a wasteful number, since it uses less digits than its factorization.

22003203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91680029 (or 91680023 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22003203120 its reverse (2130230022), we get a palindrome (24133433142).

The spelling of 22003203120 in words is "twenty-two billion, three million, two hundred three thousand, one hundred twenty".