20968652 has 6 divisors (see below), whose sum is σ = 36695148. Its totient is φ = 10484324.

The previous prime is 20968613. The next prime is 20968693. The reversal of 20968652 is 25686902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621078 + ... + 2621085.

It is an arithmetic number, because the mean of its divisors is an integer number (6115858).

Almost surely, 2^20968652 is an apocalyptic number.

It is an amenable number.

20968652 is a deficient number, since it is larger than the sum of its proper divisors (15726496).

20968652 is a wasteful number, since it uses less digits than its factorization.

20968652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242167 (or 5242165 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 20968652 is about 4579.1540703497. The cubic root of 20968652 is about 275.7550687087.

The spelling of 20968652 in words is "twenty million, nine hundred sixty-eight thousand, six hundred fifty-two".