22103210020 has 48 divisors (see below), whose sum is σ = 47632939200. Its totient is φ = 8610811776.

The previous prime is 22103210009. The next prime is 22103210057. The reversal of 22103210020 is 2001230122.

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, 263319 + ... + 336961.

It is an arithmetic number, because the mean of its divisors is an integer number (992352900).

Almost surely, 2^22103210020 is an apocalyptic number.

22103210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22103210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23816469600).

22103210020 is an abundant number, since it is smaller than the sum of its proper divisors (25529729180).

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

22103210020 is a wasteful number, since it uses less digits than its factorization.

22103210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74044 (or 74042 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22103210020 its reverse (2001230122), we get a palindrome (24104440142).

The spelling of 22103210020 in words is "twenty-two billion, one hundred three million, two hundred ten thousand, twenty".