202220111120020 has 192 divisors, whose sum is σ = 491416392499200. Its totient is φ = 68466586406400.

The previous prime is 202220111120003. The next prime is 202220111120047. The reversal of 202220111120020 is 20021111022202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202220111119976 and 202220111120003.

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, 29058785301 + ... + 29058792259.

It is an arithmetic number, because the mean of its divisors is an integer number (2559460377600).

Almost surely, 2^{202220111120020} is an apocalyptic number.

202220111120020 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 202220111120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245708196249600).

202220111120020 is an abundant number, since it is smaller than the sum of its proper divisors (289196281379180).

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

202220111120020 is a wasteful number, since it uses less digits than its factorization.

202220111120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12158 (or 12156 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202220111120020 its reverse (20021111022202), we get a palindrome (222241222142222).

The spelling of 202220111120020 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty thousand, twenty".