20012220102000 has 320 divisors, whose sum is σ = 74945258339328. Its totient is φ = 4499233920000.

The previous prime is 20012220101999. The next prime is 20012220102011. The reversal of 20012220102000 is 20102221002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1343586 + ... + 6467585.

Almost surely, 2^{20012220102000} is an apocalyptic number.

20012220102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012220102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37472629169664).

20012220102000 is an abundant number, since it is smaller than the sum of its proper divisors (54933038237328).

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

20012220102000 is a wasteful number, since it uses less digits than its factorization.

20012220102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811265 (or 7811249 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012220102000 its reverse (20102221002), we get a palindrome (20032322323002).

The spelling of 20012220102000 in words is "twenty trillion, twelve billion, two hundred twenty million, one hundred two thousand".