1330220245550 has 72 divisors (see below), whose sum is σ = 3003299870256. Its totient is φ = 436246124160.

The previous prime is 1330220245517. The next prime is 1330220245579. The reversal of 1330220245550 is 555420220331.

It is a super-2 number, since 2×1330220245550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11746847 + ... + 11859546.

It is an arithmetic number, because the mean of its divisors is an integer number (41712498198).

Almost surely, 2^{1330220245550} is an apocalyptic number.

1330220245550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1330220245550 is an abundant number, since it is smaller than the sum of its proper divisors (1673079624706).

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

1330220245550 is a wasteful number, since it uses less digits than its factorization.

1330220245550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23606442 (or 23606430 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 1330220245550 its reverse (555420220331), we get a palindrome (1885640465881).

The spelling of 1330220245550 in words is "one trillion, three hundred thirty billion, two hundred twenty million, two hundred forty-five thousand, five hundred fifty".