20826236 has 12 divisors (see below), whose sum is σ = 36665328. Its totient is φ = 10350432.

The previous prime is 20826209. The next prime is 20826251. The reversal of 20826236 is 63262802.

It is a junction number, because it is equal to n+sod(n) for n = 20826199 and 20826208.

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, 14921 + ... + 16256.

It is an arithmetic number, because the mean of its divisors is an integer number (3055444).

Almost surely, 2^20826236 is an apocalyptic number.

It is an amenable number.

20826236 is a deficient number, since it is larger than the sum of its proper divisors (15839092).

20826236 is a wasteful number, since it uses less digits than its factorization.

20826236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31348 (or 31346 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 20826236 is about 4563.5771057362. The cubic root of 20826236 is about 275.1293540212.

The spelling of 20826236 in words is "twenty million, eight hundred twenty-six thousand, two hundred thirty-six".