1220332032320 has 56 divisors (see below), whose sum is σ = 2906036681184. Its totient is φ = 488112482816.

The previous prime is 1220332032233. The next prime is 1220332032379. The reversal of 1220332032320 is 232302330221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9369887 + ... + 9499233.

It is an arithmetic number, because the mean of its divisors is an integer number (51893512164).

Almost surely, 2^{1220332032320} is an apocalyptic number.

1220332032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220332032320 is an abundant number, since it is smaller than the sum of its proper divisors (1685704648864).

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

1220332032320 is a wasteful number, since it uses less digits than its factorization.

1220332032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158847 (or 158837 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 1220332032320 its reverse (232302330221), we get a palindrome (1452634362541).

The spelling of 1220332032320 in words is "one trillion, two hundred twenty billion, three hundred thirty-two million, thirty-two thousand, three hundred twenty".