20102220330000 has 200 divisors, whose sum is σ = 64897662200448. Its totient is φ = 5360177856000.

The previous prime is 20102220329977. The next prime is 20102220330019. The reversal of 20102220330000 is 3302220102.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 762676822 + ... + 762703178.

Almost surely, 2^{20102220330000} is an apocalyptic number.

20102220330000 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 20102220330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32448831100224).

20102220330000 is an abundant number, since it is smaller than the sum of its proper divisors (44795441870448).

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

20102220330000 is a wasteful number, since it uses less digits than its factorization.

20102220330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51811 (or 51790 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20102220330000 its reverse (3302220102), we get a palindrome (20105522550102).

The spelling of 20102220330000 in words is "twenty trillion, one hundred two billion, two hundred twenty million, three hundred thirty thousand".