20954208 has 48 divisors (see below), whose sum is σ = 60008256. Its totient is φ = 6349440.

The previous prime is 20954191. The next prime is 20954209. The reversal of 20954208 is 80245902.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20954209) 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, 8866 + ... + 10977.

It is an arithmetic number, because the mean of its divisors is an integer number (1250172).

Almost surely, 2^20954208 is an apocalyptic number.

It is an amenable number.

20954208 is an abundant number, since it is smaller than the sum of its proper divisors (39054048).

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

20954208 is a wasteful number, since it uses less digits than its factorization.

20954208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867 (or 19859 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 20954208 is about 4577.5766514609. The cubic root of 20954208 is about 275.6917373270.

The spelling of 20954208 in words is "twenty million, nine hundred fifty-four thousand, two hundred eight".