20040695 has 8 divisors (see below), whose sum is σ = 24156144. Its totient is φ = 15961024.

The previous prime is 20040689. The next prime is 20040701. The reversal of 20040695 is 59604002.

It is an interprime number because it is at equal distance from previous prime (20040689) and next prime (20040701).

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

It is a cyclic number.

It is not a de Polignac number, because 20040695 - 2⁴ = 20040679 is a prime.

It is a Duffinian number.

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, 7694 + ... + 9963.

It is an arithmetic number, because the mean of its divisors is an integer number (3019518).

Almost surely, 2^20040695 is an apocalyptic number.

20040695 is a deficient number, since it is larger than the sum of its proper divisors (4115449).

20040695 is a wasteful number, since it uses less digits than its factorization.

20040695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17889.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20040695 is about 4476.6834822221. The cubic root of 20040695 is about 271.6257423058.

Adding to 20040695 its reverse (59604002), we get a palindrome (79644697).

The spelling of 20040695 in words is "twenty million, forty thousand, six hundred ninety-five".