20081103261692 has 24 divisors (see below), whose sum is σ = 40354370192640. Its totient is φ = 8647365040560.

The previous prime is 20081103261679. The next prime is 20081103261707. The reversal of 20081103261692 is 29616230118002.

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, 12010228388 + ... + 12010230059.

It is an arithmetic number, because the mean of its divisors is an integer number (1681432091360).

Almost surely, 2^{20081103261692} is an apocalyptic number.

20081103261692 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20081103261692 is an abundant number, since it is smaller than the sum of its proper divisors (20273266930948).

20081103261692 is a wasteful number, since it uses less digits than its factorization.

20081103261692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24020458481 (or 24020458479 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

Adding to 20081103261692 its reverse (29616230118002), we get a palindrome (49697333379694).

The spelling of 20081103261692 in words is "twenty trillion, eighty-one billion, one hundred three million, two hundred sixty-one thousand, six hundred ninety-two".