2120673824680 has 32 divisors (see below), whose sum is σ = 4771558083240. Its totient is φ = 848262067200.

The previous prime is 2120673824663. The next prime is 2120673824771. The reversal of 2120673824680 is 864283760212.

It can be written as a sum of positive squares in 4 ways, for example, as 1956177065956 + 164496758724 = 1398634^2 + 405582^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

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, 7712932 + ... + 7983148.

Almost surely, 2^{2120673824680} is an apocalyptic number.

2120673824680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120673824680 is an abundant number, since it is smaller than the sum of its proper divisors (2650884258560).

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

2120673824680 is a wasteful number, since it uses less digits than its factorization.

2120673824680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466429 (or 466425 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 2120673824680 in words is "two trillion, one hundred twenty billion, six hundred seventy-three million, eight hundred twenty-four thousand, six hundred eighty".