2175248533820 has 48 divisors (see below), whose sum is σ = 4606427242368. Its totient is φ = 862814664000.

The previous prime is 2175248533813. The next prime is 2175248533859. The reversal of 2175248533820 is 283358425712.

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, 185099 + ... + 2093981.

It is an arithmetic number, because the mean of its divisors is an integer number (95967234216).

Almost surely, 2^{2175248533820} is an apocalyptic number.

2175248533820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2175248533820 is an abundant number, since it is smaller than the sum of its proper divisors (2431178708548).

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

2175248533820 is a wasteful number, since it uses less digits than its factorization.

2175248533820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909370 (or 1909368 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The spelling of 2175248533820 in words is "two trillion, one hundred seventy-five billion, two hundred forty-eight million, five hundred thirty-three thousand, eight hundred twenty".