1220220120302 has 4 divisors (see below), whose sum is σ = 1830330180456. Its totient is φ = 610110060150.

The previous prime is 1220220120281. The next prime is 1220220120313. The reversal of 1220220120302 is 2030210220221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305055030074 + ... + 305055030077.

It is an arithmetic number, because the mean of its divisors is an integer number (457582545114).

Almost surely, 2^{1220220120302} is an apocalyptic number.

1220220120302 is a deficient number, since it is larger than the sum of its proper divisors (610110060154).

1220220120302 is an equidigital number, since it uses as much as digits as its factorization.

1220220120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610110060153.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1220220120302 its reverse (2030210220221), we get a palindrome (3250430340523).

The spelling of 1220220120302 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty thousand, three hundred two".