20652712 has 32 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 9775744.

The previous prime is 20652701. The next prime is 20652719. The reversal of 20652712 is 21725602.

It is not an unprimeable number, because it can be changed into a prime (20652719) 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 7 ways as a sum of consecutive naturals, for example, 19164 + ... + 20212.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^20652712 is an apocalyptic number.

It is an amenable number.

20652712 is a deficient number, since it is larger than the sum of its proper divisors (20171288).

20652712 is a wasteful number, since it uses less digits than its factorization.

20652712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20652712 is about 4544.5254977830. The cubic root of 20652712 is about 274.3630968627.

The spelling of 20652712 in words is "twenty million, six hundred fifty-two thousand, seven hundred twelve".