20013175677540 has 48 divisors (see below), whose sum is σ = 58986202000320. Its totient is φ = 5055960170880.

The previous prime is 20013175677511. The next prime is 20013175677571. The reversal of 20013175677540 is 4577657131002.

It is a self number, because there is not a number n which added to its sum of digits gives 20013175677540.

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, 8777707491 + ... + 8777709770.

It is an arithmetic number, because the mean of its divisors is an integer number (1228879208340).

Almost surely, 2^{20013175677540} is an apocalyptic number.

20013175677540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013175677540 is an abundant number, since it is smaller than the sum of its proper divisors (38973026322780).

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

20013175677540 is a wasteful number, since it uses less digits than its factorization.

20013175677540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555417292 (or 17555417290 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 20013175677540 in words is "twenty trillion, thirteen billion, one hundred seventy-five million, six hundred seventy-seven thousand, five hundred forty".