20693468 has 12 divisors (see below), whose sum is σ = 37788240. Its totient is φ = 9896832.

The previous prime is 20693467. The next prime is 20693473. The reversal of 20693468 is 86439602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20693467) 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, 112373 + ... + 112556.

It is an arithmetic number, because the mean of its divisors is an integer number (3149020).

Almost surely, 2^20693468 is an apocalyptic number.

It is an amenable number.

20693468 is a deficient number, since it is larger than the sum of its proper divisors (17094772).

20693468 is a wasteful number, since it uses less digits than its factorization.

20693468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224956 (or 224954 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 20693468 is about 4549.0073642499. The cubic root of 20693468 is about 274.5434540471.

The spelling of 20693468 in words is "twenty million, six hundred ninety-three thousand, four hundred sixty-eight".