20013007906730 has 32 divisors (see below), whose sum is σ = 36239414904000. Its totient is φ = 7957330848000.

The previous prime is 20013007906669. The next prime is 20013007906763. The reversal of 20013007906730 is 3760970031002.

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, 6736799 + ... + 9241778.

It is an arithmetic number, because the mean of its divisors is an integer number (1132481715750).

Almost surely, 2^{20013007906730} is an apocalyptic number.

20013007906730 is a deficient number, since it is larger than the sum of its proper divisors (16226406997270).

20013007906730 is a wasteful number, since it uses less digits than its factorization.

20013007906730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15979334.

The product of its (nonzero) digits is 47628, while the sum is 38.

Adding to 20013007906730 its reverse (3760970031002), we get a palindrome (23773977937732).

The spelling of 20013007906730 in words is "twenty trillion, thirteen billion, seven million, nine hundred six thousand, seven hundred thirty".