20714697 has 20 divisors (see below), whose sum is σ = 32292480. Its totient is φ = 13208184.

The previous prime is 20714689. The next prime is 20714711. The reversal of 20714697 is 79641702.

It is a happy number.

It is not a de Polignac number, because 20714697 - 2³ = 20714689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20714647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3697 + ... + 7422.

It is an arithmetic number, because the mean of its divisors is an integer number (1614624).

Almost surely, 2^20714697 is an apocalyptic number.

20714697 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20714697 is a deficient number, since it is larger than the sum of its proper divisors (11577783).

20714697 is a wasteful number, since it uses less digits than its factorization.

20714697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154 (or 11145 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 20714697 is about 4551.3401323127. The cubic root of 20714697 is about 274.6373047747.

The spelling of 20714697 in words is "twenty million, seven hundred fourteen thousand, six hundred ninety-seven".