1720661260202 has 48 divisors (see below), whose sum is σ = 2817462154752. Its totient is φ = 787184874720.

The previous prime is 1720661260163. The next prime is 1720661260229. The reversal of 1720661260202 is 2020621660271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11181728 + ... + 11334564.

It is an arithmetic number, because the mean of its divisors is an integer number (58697128224).

Almost surely, 2^{1720661260202} is an apocalyptic number.

1720661260202 is a deficient number, since it is larger than the sum of its proper divisors (1096800894550).

1720661260202 is a wasteful number, since it uses less digits than its factorization.

1720661260202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153411 (or 153392 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 1720661260202 in words is "one trillion, seven hundred twenty billion, six hundred sixty-one million, two hundred sixty thousand, two hundred two".