20013061705340 has 96 divisors (see below), whose sum is σ = 45932977649664. Its totient is φ = 7264010108160.

The previous prime is 20013061705313. The next prime is 20013061705369. The reversal of 20013061705340 is 4350716031002.

It is a junction number, because it is equal to n+sod(n) for n = 20013061705297 and 20013061705306.

It is a congruent number.

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, 822994862 + ... + 823019178.

It is an arithmetic number, because the mean of its divisors is an integer number (478468517184).

Almost surely, 2^{20013061705340} is an apocalyptic number.

20013061705340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013061705340 is an abundant number, since it is smaller than the sum of its proper divisors (25919915944324).

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

20013061705340 is a wasteful number, since it uses less digits than its factorization.

20013061705340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31107 (or 31105 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 20013061705340 its reverse (4350716031002), we get a palindrome (24363777736342).

The spelling of 20013061705340 in words is "twenty trillion, thirteen billion, sixty-one million, seven hundred five thousand, three hundred forty".