20010002220000 has 1080 divisors, whose sum is σ = 78309083853000. Its totient is φ = 4841620992000.

The previous prime is 20010002219903. The next prime is 20010002220049. The reversal of 20010002220000 is 2220001002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 1794774426 + ... + 1794785574.

It is an arithmetic number, because the mean of its divisors is an integer number (72508410975).

Almost surely, 2^{20010002220000} is an apocalyptic number.

20010002220000 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 20010002220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39154541926500).

20010002220000 is an abundant number, since it is smaller than the sum of its proper divisors (58299081633000).

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

20010002220000 is a wasteful number, since it uses less digits than its factorization.

20010002220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270 (or 11231 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20010002220000 its reverse (2220001002), we get a palindrome (20012222221002).

The spelling of 20010002220000 in words is "twenty trillion, ten billion, two million, two hundred twenty thousand".