20013130067746 has 16 divisors (see below), whose sum is σ = 31327068240000. Its totient is φ = 9570834237888.

The previous prime is 20013130067743. The next prime is 20013130067779. The reversal of 20013130067746 is 64776003131002.

It is a junction number, because it is equal to n+sod(n) for n = 20013130067699 and 20013130067708.

It is not an unprimeable number, because it can be changed into a prime (20013130067741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14390646 + ... + 15719953.

It is an arithmetic number, because the mean of its divisors is an integer number (1957941765000).

Almost surely, 2^{20013130067746} is an apocalyptic number.

20013130067746 is a deficient number, since it is larger than the sum of its proper divisors (11313938172254).

20013130067746 is a wasteful number, since it uses less digits than its factorization.

20013130067746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30125073.

The product of its (nonzero) digits is 127008, while the sum is 40.

Adding to 20013130067746 its reverse (64776003131002), we get a palindrome (84789133198748).

The spelling of 20013130067746 in words is "twenty trillion, thirteen billion, one hundred thirty million, sixty-seven thousand, seven hundred forty-six".