20673947610120 has 128 divisors (see below), whose sum is σ = 70884128240640. Its totient is φ = 4725338929920.

The previous prime is 20673947610101. The next prime is 20673947610193. The reversal of 20673947610120 is 2101674937602.

It is a self number, because there is not a number n which added to its sum of digits gives 20673947610120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30749955 + ... + 31415085.

It is an arithmetic number, because the mean of its divisors is an integer number (553782251880).

Almost surely, 2^{20673947610120} is an apocalyptic number.

20673947610120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20673947610120 is an abundant number, since it is smaller than the sum of its proper divisors (50210180630520).

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

20673947610120 is a wasteful number, since it uses less digits than its factorization.

20673947610120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702155 (or 702151 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 20673947610120 in words is "twenty trillion, six hundred seventy-three billion, nine hundred forty-seven million, six hundred ten thousand, one hundred twenty".