1220203022202 has 96 divisors (see below), whose sum is σ = 2850483190464. Its totient is φ = 390890966400.

The previous prime is 1220203022201. The next prime is 1220203022219. The reversal of 1220203022202 is 2022203020221.

1220203022202 is a `hidden beast` number, since 122 + 0 + 20 + 302 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1220203022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 878052 + ... + 1792032.

It is an arithmetic number, because the mean of its divisors is an integer number (29692533234).

Almost surely, 2^{1220203022202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220203022202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425241595232).

1220203022202 is an abundant number, since it is smaller than the sum of its proper divisors (1630280168262).

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

1220203022202 is an equidigital number, since it uses as much as digits as its factorization.

1220203022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914106 (or 914094 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1220203022202 its reverse (2022203020221), we get a palindrome (3242406042423).

The spelling of 1220203022202 in words is "one trillion, two hundred twenty billion, two hundred three million, twenty-two thousand, two hundred two".