22020220032 has 64 divisors (see below), whose sum is σ = 59059191360. Its totient is φ = 7268797440.

The previous prime is 22020219979. The next prime is 22020220051. The reversal of 22020220032 is 23002202022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 22020219993 and 22020220020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238819 + ... + 317922.

It is an arithmetic number, because the mean of its divisors is an integer number (922799865).

Almost surely, 2^22020220032 is an apocalyptic number.

It is an amenable number.

22020220032 is an abundant number, since it is smaller than the sum of its proper divisors (37038971328).

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

22020220032 is a wasteful number, since it uses less digits than its factorization.

22020220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556861 (or 556849 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 22020220032 its reverse (23002202022), we get a palindrome (45022422054).

The spelling of 22020220032 in words is "twenty-two billion, twenty million, two hundred twenty thousand, thirty-two".