20212200032320 has 56 divisors (see below), whose sum is σ = 48259337272344. Its totient is φ = 8063204683776.

The previous prime is 20212200032291. The next prime is 20212200032351. The reversal of 20212200032320 is 2323000221202.

It can be written as a sum of positive squares in 4 ways, for example, as 2310229763136 + 17901970269184 = 1519944^2 + 4231072^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84549709 + ... + 84788428.

Almost surely, 2^{20212200032320} is an apocalyptic number.

20212200032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212200032320 is an abundant number, since it is smaller than the sum of its proper divisors (28047137240024).

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

20212200032320 is a wasteful number, since it uses less digits than its factorization.

20212200032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169338527 (or 169338517 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20212200032320 its reverse (2323000221202), we get a palindrome (22535200253522).

The spelling of 20212200032320 in words is "twenty trillion, two hundred twelve billion, two hundred million, thirty-two thousand, three hundred twenty".