20710712 has 16 divisors (see below), whose sum is σ = 42363000. Its totient is φ = 9413920.

The previous prime is 20710687. The next prime is 20710717. The reversal of 20710712 is 21701702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710717) 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, 117587 + ... + 117762.

Almost surely, 2^20710712 is an apocalyptic number.

20710712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20710712 is an abundant number, since it is smaller than the sum of its proper divisors (21652288).

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

20710712 is a wasteful number, since it uses less digits than its factorization.

20710712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235366 (or 235362 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 20710712 is about 4550.9023281103. The cubic root of 20710712 is about 274.6196924831.

The spelling of 20710712 in words is "twenty million, seven hundred ten thousand, seven hundred twelve".