1220463568860 has 24 divisors (see below), whose sum is σ = 3417297992976. Its totient is φ = 325456951680.

The previous prime is 1220463568837. The next prime is 1220463568873. The reversal of 1220463568860 is 688653640221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10170529681 + ... + 10170529800.

It is an arithmetic number, because the mean of its divisors is an integer number (142387416374).

Almost surely, 2^{1220463568860} is an apocalyptic number.

1220463568860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220463568860 is an abundant number, since it is smaller than the sum of its proper divisors (2196834424116).

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

1220463568860 is a wasteful number, since it uses less digits than its factorization.

1220463568860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20341059493 (or 20341059491 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 1220463568860 in words is "one trillion, two hundred twenty billion, four hundred sixty-three million, five hundred sixty-eight thousand, eight hundred sixty".