22130222020 has 96 divisors (see below), whose sum is σ = 47675628000. Its totient is φ = 8627097600.

The previous prime is 22130222003. The next prime is 22130222057. The reversal of 22130222020 is 2022203122.

It can be written as a sum of positive squares in 16 ways, for example, as 20304540036 + 1825681984 = 142494^2 + 42728^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22130221985 and 22130222003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48004590 + ... + 48005050.

It is an arithmetic number, because the mean of its divisors is an integer number (496621125).

Almost surely, 2^22130222020 is an apocalyptic number.

22130222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22130222020 is an abundant number, since it is smaller than the sum of its proper divisors (25545405980).

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

22130222020 is a wasteful number, since it uses less digits than its factorization.

22130222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22130222020 its reverse (2022203122), we get a palindrome (24152425142).

The spelling of 22130222020 in words is "twenty-two billion, one hundred thirty million, two hundred twenty-two thousand, twenty".