20210934 has 8 divisors (see below), whose sum is σ = 40421880. Its totient is φ = 6736976.

The previous prime is 20210929. The next prime is 20210959. The reversal of 20210934 is 43901202.

It is a sphenic number, since it is the product of 3 distinct primes.

20210934 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210934.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684239 + ... + 1684250.

It is an arithmetic number, because the mean of its divisors is an integer number (5052735).

Almost surely, 2^20210934 is an apocalyptic number.

20210934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20210934 is a wasteful number, since it uses less digits than its factorization.

20210934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368494.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20210934 is about 4495.6572378241. The cubic root of 20210934 is about 272.3926979828.

The spelling of 20210934 in words is "twenty million, two hundred ten thousand, nine hundred thirty-four".