20210208 has 24 divisors (see below), whose sum is σ = 53052048. Its totient is φ = 6736704.

The previous prime is 20210189. The next prime is 20210237. The reversal of 20210208 is 80201202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105166 + ... + 105357.

It is an arithmetic number, because the mean of its divisors is an integer number (2210502).

Almost surely, 2^20210208 is an apocalyptic number.

It is an amenable number.

20210208 is an abundant number, since it is smaller than the sum of its proper divisors (32841840).

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

20210208 is a wasteful number, since it uses less digits than its factorization.

20210208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210536 (or 210528 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 20210208 is about 4495.5764925091. The cubic root of 20210208 is about 272.3894363908.

The spelling of 20210208 in words is "twenty million, two hundred ten thousand, two hundred eight".