20712652 has 6 divisors (see below), whose sum is σ = 36247148. Its totient is φ = 10356324.

The previous prime is 20712649. The next prime is 20712689. The reversal of 20712652 is 25621702.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2589078 + ... + 2589085.

Almost surely, 2^20712652 is an apocalyptic number.

It is an amenable number.

20712652 is a deficient number, since it is larger than the sum of its proper divisors (15534496).

20712652 is a wasteful number, since it uses less digits than its factorization.

20712652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178167 (or 5178165 counting only the distinct ones).

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

The square root of 20712652 is about 4551.1154676628. The cubic root of 20712652 is about 274.6282668796.

The spelling of 20712652 in words is "twenty million, seven hundred twelve thousand, six hundred fifty-two".