1202321220220 has 48 divisors (see below), whose sum is σ = 2674007925120. Its totient is φ = 452535071744.

The previous prime is 1202321220211. The next prime is 1202321220227. The reversal of 1202321220220 is 220221232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202321220227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1092861 + ... + 1897099.

It is an arithmetic number, because the mean of its divisors is an integer number (55708498440).

Almost surely, 2^{1202321220220} is an apocalyptic number.

1202321220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202321220220 is an abundant number, since it is smaller than the sum of its proper divisors (1471686704900).

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

1202321220220 is a wasteful number, since it uses less digits than its factorization.

1202321220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808662 (or 808660 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 1202321220220 its reverse (220221232021), we get a palindrome (1422542452241).

The spelling of 1202321220220 in words is "one trillion, two hundred two billion, three hundred twenty-one million, two hundred twenty thousand, two hundred twenty".