22102201020 has 24 divisors (see below), whose sum is σ = 61886163024. Its totient is φ = 5893920256.

The previous prime is 22102201013. The next prime is 22102201067. The reversal of 22102201020 is 2010220122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22102200987 and 22102201005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184184949 + ... + 184185068.

It is an arithmetic number, because the mean of its divisors is an integer number (2578590126).

Almost surely, 2^22102201020 is an apocalyptic number.

22102201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102201020 is an abundant number, since it is smaller than the sum of its proper divisors (39783962004).

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

22102201020 is a wasteful number, since it uses less digits than its factorization.

22102201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368370029 (or 368370027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22102201020 its reverse (2010220122), we get a palindrome (24112421142).

The spelling of 22102201020 in words is "twenty-two billion, one hundred two million, two hundred one thousand, twenty".