20950368 has 24 divisors (see below), whose sum is σ = 54994968. Its totient is φ = 6983424.

The previous prime is 20950367. The next prime is 20950393. The reversal of 20950368 is 86305902.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20950367) 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, 109021 + ... + 109212.

It is an arithmetic number, because the mean of its divisors is an integer number (2291457).

Almost surely, 2^20950368 is an apocalyptic number.

It is an amenable number.

20950368 is an abundant number, since it is smaller than the sum of its proper divisors (34044600).

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

20950368 is a wasteful number, since it uses less digits than its factorization.

20950368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218246 (or 218238 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 20950368 is about 4577.1571963392. The cubic root of 20950368 is about 275.6748955078.

The spelling of 20950368 in words is "twenty million, nine hundred fifty thousand, three hundred sixty-eight".