20796212 has 12 divisors (see below), whose sum is σ = 36500100. Its totient is φ = 10367616.

The previous prime is 20796211. The next prime is 20796221. The reversal of 20796212 is 21269702.

It can be written as a sum of positive squares in 2 ways, for example, as 17606416 + 3189796 = 4196^2 + 1786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20796211) by changing a digit.

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, 6053 + ... + 8844.

It is an arithmetic number, because the mean of its divisors is an integer number (3041675).

Almost surely, 2^20796212 is an apocalyptic number.

It is an amenable number.

20796212 is a deficient number, since it is larger than the sum of its proper divisors (15703888).

20796212 is a wasteful number, since it uses less digits than its factorization.

20796212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15250 (or 15248 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20796212 is about 4560.2863945152. The cubic root of 20796212 is about 274.9970776549.

The spelling of 20796212 in words is "twenty million, seven hundred ninety-six thousand, two hundred twelve".