1220103203320 has 64 divisors (see below), whose sum is σ = 2754155520000. Its totient is φ = 486455959680.

The previous prime is 1220103203243. The next prime is 1220103203357. The reversal of 1220103203320 is 233023010221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41611465 + ... + 41640775.

It is an arithmetic number, because the mean of its divisors is an integer number (43033680000).

Almost surely, 2^{1220103203320} is an apocalyptic number.

1220103203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220103203320 is an abundant number, since it is smaller than the sum of its proper divisors (1534052316680).

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

1220103203320 is a wasteful number, since it uses less digits than its factorization.

1220103203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32668 (or 32664 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1220103203320 its reverse (233023010221), we get a palindrome (1453126213541).

The spelling of 1220103203320 in words is "one trillion, two hundred twenty billion, one hundred three million, two hundred three thousand, three hundred twenty".