20008042810694 has 8 divisors (see below), whose sum is σ = 30022568972328. Its totient is φ = 10000519819920.

The previous prime is 20008042810681. The next prime is 20008042810727. The reversal of 20008042810694 is 49601824080002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20008042810694² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750785572 + ... + 1750796999.

It is an arithmetic number, because the mean of its divisors is an integer number (3752821121541).

Almost surely, 2^{20008042810694} is an apocalyptic number.

20008042810694 is a deficient number, since it is larger than the sum of its proper divisors (10014526161634).

20008042810694 is a wasteful number, since it uses less digits than its factorization.

20008042810694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501585430.

The product of its (nonzero) digits is 221184, while the sum is 44.

Adding to 20008042810694 its reverse (49601824080002), we get a palindrome (69609866890696).

The spelling of 20008042810694 in words is "twenty trillion, eight billion, forty-two million, eight hundred ten thousand, six hundred ninety-four".