1202201220220 has 288 divisors, whose sum is σ = 3455826716160. Its totient is φ = 345327413760.

The previous prime is 1202201220217. The next prime is 1202201220247. The reversal of 1202201220220 is 220221022021.

It is a junction number, because it is equal to n+sod(n) for n = 1202201220194 and 1202201220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 90663951 + ... + 90677209.

It is an arithmetic number, because the mean of its divisors is an integer number (11999398320).

Almost surely, 2^{1202201220220} is an apocalyptic number.

1202201220220 is a gapful number since it is divisible by the number (10) 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 1202201220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727913358080).

1202201220220 is an abundant number, since it is smaller than the sum of its proper divisors (2253625495940).

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

1202201220220 is a wasteful number, since it uses less digits than its factorization.

1202201220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13953 (or 13944 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1202201220220 its reverse (220221022021), we get a palindrome (1422422242241).

The spelling of 1202201220220 in words is "one trillion, two hundred two billion, two hundred one million, two hundred twenty thousand, two hundred twenty".