20995652 has 24 divisors (see below), whose sum is σ = 38828160. Its totient is φ = 9917600.

The previous prime is 20995633. The next prime is 20995657. The reversal of 20995652 is 25659902.

It is not an unprimeable number, because it can be changed into a prime (20995657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527 + ... + 7377.

It is an arithmetic number, because the mean of its divisors is an integer number (1617840).

Almost surely, 2^20995652 is an apocalyptic number.

It is an amenable number.

20995652 is a deficient number, since it is larger than the sum of its proper divisors (17832508).

20995652 is a wasteful number, since it uses less digits than its factorization.

20995652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 20995652 is about 4582.1012647038. The cubic root of 20995652 is about 275.8733753678.

The spelling of 20995652 in words is "twenty million, nine hundred ninety-five thousand, six hundred fifty-two".