20013061707260 has 24 divisors (see below), whose sum is σ = 42068673425520. Its totient is φ = 7997368713344.

The previous prime is 20013061707239. The next prime is 20013061707377. The reversal of 20013061707260 is 6270716031002.

It is a self number, because there is not a number n which added to its sum of digits gives 20013061707260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490977209 + ... + 491017968.

It is an arithmetic number, because the mean of its divisors is an integer number (1752861392730).

Almost surely, 2^{20013061707260} is an apocalyptic number.

20013061707260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013061707260 is an abundant number, since it is smaller than the sum of its proper divisors (22055611718260).

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

20013061707260 is a wasteful number, since it uses less digits than its factorization.

20013061707260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981996205 (or 981996203 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

Adding to 20013061707260 its reverse (6270716031002), we get a palindrome (26283777738262).

The spelling of 20013061707260 in words is "twenty trillion, thirteen billion, sixty-one million, seven hundred seven thousand, two hundred sixty".