20852236 has 6 divisors (see below), whose sum is σ = 36491420. Its totient is φ = 10426116.

The previous prime is 20852219. The next prime is 20852261. The reversal of 20852236 is 63225802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606526 + ... + 2606533.

Almost surely, 2^20852236 is an apocalyptic number.

It is an amenable number.

20852236 is a deficient number, since it is larger than the sum of its proper divisors (15639184).

20852236 is a wasteful number, since it uses less digits than its factorization.

20852236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213063 (or 5213061 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20852236 is about 4566.4248597782. The cubic root of 20852236 is about 275.2437992247.

The spelling of 20852236 in words is "twenty million, eight hundred fifty-two thousand, two hundred thirty-six".