20021022012200 has 96 divisors (see below), whose sum is σ = 50859082042560. Its totient is φ = 7269118617600.

The previous prime is 20021022012169. The next prime is 20021022012241. The reversal of 20021022012200 is 221022012002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5609417 + ... + 8456216.

It is an arithmetic number, because the mean of its divisors is an integer number (529782104610).

Almost surely, 2^{20021022012200} is an apocalyptic number.

20021022012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021022012200 is an abundant number, since it is smaller than the sum of its proper divisors (30838060030360).

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

20021022012200 is a wasteful number, since it uses less digits than its factorization.

20021022012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066307 (or 14066298 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021022012200 its reverse (221022012002), we get a palindrome (20242044024202).

The spelling of 20021022012200 in words is "twenty trillion, twenty-one billion, twenty-two million, twelve thousand, two hundred".