20021110002232 has 16 divisors (see below), whose sum is σ = 38455180797600. Its totient is φ = 9766395122880.

The previous prime is 20021110002199. The next prime is 20021110002233. The reversal of 20021110002232 is 23220001112002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021110002233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30519984432 + ... + 30519985087.

It is an arithmetic number, because the mean of its divisors is an integer number (2403448799850).

Almost surely, 2^{20021110002232} is an apocalyptic number.

It is an amenable number.

20021110002232 is a deficient number, since it is larger than the sum of its proper divisors (18434070795368).

20021110002232 is a wasteful number, since it uses less digits than its factorization.

20021110002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61039969566 (or 61039969562 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20021110002232 its reverse (23220001112002), we get a palindrome (43241111114234).

The spelling of 20021110002232 in words is "twenty trillion, twenty-one billion, one hundred ten million, two thousand, two hundred thirty-two".