20021110220012 has 48 divisors (see below), whose sum is σ = 40636478276352. Its totient is φ = 8540588422080.

The previous prime is 20021110219993. The next prime is 20021110220029. The reversal of 20021110220012 is 21002201112002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186585098 + ... + 186692369.

It is an arithmetic number, because the mean of its divisors is an integer number (846593297424).

Almost surely, 2^{20021110220012} is an apocalyptic number.

20021110220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20021110220012 is an abundant number, since it is smaller than the sum of its proper divisors (20615368056340).

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

20021110220012 is a wasteful number, since it uses less digits than its factorization.

20021110220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373277558 (or 373277556 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021110220012 its reverse (21002201112002), we get a palindrome (41023311332014).

The spelling of 20021110220012 in words is "twenty trillion, twenty-one billion, one hundred ten million, two hundred twenty thousand, twelve".