20936212 has 12 divisors (see below), whose sum is σ = 39969216. Its totient is φ = 9516440.

The previous prime is 20936207. The next prime is 20936239. The reversal of 20936212 is 21263902.

It is a happy number.

It is a congruent number.

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, 237868 + ... + 237955.

It is an arithmetic number, because the mean of its divisors is an integer number (3330768).

Almost surely, 2^20936212 is an apocalyptic number.

20936212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20936212 is a deficient number, since it is larger than the sum of its proper divisors (19033004).

20936212 is a wasteful number, since it uses less digits than its factorization.

20936212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475838 (or 475836 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20936212 is about 4575.6105603515. The cubic root of 20936212 is about 275.6127910601.

The spelling of 20936212 in words is "twenty million, nine hundred thirty-six thousand, two hundred twelve".