22020210320 has 40 divisors (see below), whose sum is σ = 51272738424. Its totient is φ = 8795052032.

The previous prime is 22020210319. The next prime is 22020210343. The reversal of 22020210320 is 2301202022.

It can be written as a sum of positive squares in 4 ways, for example, as 4629985936 + 17390224384 = 68044^2 + 131872^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22020210295 and 22020210304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149129 + ... + 257448.

Almost surely, 2^22020210320 is an apocalyptic number.

22020210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020210320 is an abundant number, since it is smaller than the sum of its proper divisors (29252528104).

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

22020210320 is a wasteful number, since it uses less digits than its factorization.

22020210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407267 (or 407261 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22020210320 its reverse (2301202022), we get a palindrome (24321412342).

The spelling of 22020210320 in words is "twenty-two billion, twenty million, two hundred ten thousand, three hundred twenty".