20000696 has 8 divisors (see below), whose sum is σ = 37501320. Its totient is φ = 10000344.

The previous prime is 20000693. The next prime is 20000707. The reversal of 20000696 is 69600002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250036 + ... + 1250051.

It is an arithmetic number, because the mean of its divisors is an integer number (4687665).

Almost surely, 2^20000696 is an apocalyptic number.

It is an amenable number.

20000696 is a deficient number, since it is larger than the sum of its proper divisors (17500624).

20000696 is a wasteful number, since it uses less digits than its factorization.

20000696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500093 (or 2500089 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 20000696 is about 4472.2137694882. The cubic root of 20000696 is about 271.4449103474. Note that the first 3 decimals are identical.

Adding to 20000696 its reverse (69600002), we get a palindrome (89600698).

The spelling of 20000696 in words is "twenty million, six hundred ninety-six", and thus it is an aban number.