20714688 has 42 divisors (see below), whose sum is σ = 59376564. Its totient is φ = 6904704.

The previous prime is 20714663. The next prime is 20714689. The reversal of 20714688 is 88641702.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20714689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17406 + ... + 18557.

Almost surely, 2^20714688 is an apocalyptic number.

It is an amenable number.

20714688 is an abundant number, since it is smaller than the sum of its proper divisors (38661876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20714688 is a wasteful number, since it uses less digits than its factorization.

20714688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35981 (or 35968 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 20714688 is about 4551.3391435928. The cubic root of 20714688 is about 274.6372650004.

The spelling of 20714688 in words is "twenty million, seven hundred fourteen thousand, six hundred eighty-eight".