20832212 has 12 divisors (see below), whose sum is σ = 36490356. Its totient is φ = 10406400.

The previous prime is 20832209. The next prime is 20832239. The reversal of 20832212 is 21223802.

It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 75076 = 4556^2 + 274^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4778 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (3040863).

Almost surely, 2^20832212 is an apocalyptic number.

It is an amenable number.

20832212 is a deficient number, since it is larger than the sum of its proper divisors (15658144).

20832212 is a wasteful number, since it uses less digits than its factorization.

20832212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858 (or 4856 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20832212 is about 4564.2318083112. The cubic root of 20832212 is about 275.1556672379.

The spelling of 20832212 in words is "twenty million, eight hundred thirty-two thousand, two hundred twelve".