20835894914 has 8 divisors (see below), whose sum is σ = 31681977420. Its totient is φ = 10275235776.

The previous prime is 20835894901. The next prime is 20835894917. The reversal of 20835894914 is 41949853802.

It can be written as a sum of positive squares in 2 ways, for example, as 20353872889 + 482022025 = 142667^2 + 21955^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20835894917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71355659 + ... + 71355950.

Almost surely, 2^20835894914 is an apocalyptic number.

20835894914 is a deficient number, since it is larger than the sum of its proper divisors (10846082506).

20835894914 is a wasteful number, since it uses less digits than its factorization.

20835894914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142711684.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 20835894914 in words is "twenty billion, eight hundred thirty-five million, eight hundred ninety-four thousand, nine hundred fourteen".