2173066525020 has 48 divisors (see below), whose sum is σ = 6084806198688. Its totient is φ = 579463461120.

The previous prime is 2173066524989. The next prime is 2173066525043. The reversal of 2173066525020 is 205256603712.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2173066525020.

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, 1056210 + ... + 2337030.

It is an arithmetic number, because the mean of its divisors is an integer number (126766795806).

Almost surely, 2^{2173066525020} is an apocalyptic number.

2173066525020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2173066525020 is an abundant number, since it is smaller than the sum of its proper divisors (3911739673668).

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

2173066525020 is a wasteful number, since it uses less digits than its factorization.

2173066525020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309110 (or 1309108 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 2173066525020 in words is "two trillion, one hundred seventy-three billion, sixty-six million, five hundred twenty-five thousand, twenty".