20852741 has 12 divisors (see below), whose sum is σ = 25807392. Its totient is φ = 16497936.

The previous prime is 20852707. The next prime is 20852773. The reversal of 20852741 is 14725802.

It is not a de Polignac number, because 20852741 - 2¹⁰ = 20851717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20852701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7631 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (2150616).

Almost surely, 2^20852741 is an apocalyptic number.

It is an amenable number.

20852741 is a deficient number, since it is larger than the sum of its proper divisors (4954651).

20852741 is a wasteful number, since it uses less digits than its factorization.

20852741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17660 (or 17647 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 20852741 is about 4566.4801543421. The cubic root of 20852741 is about 275.2460211606.

The spelling of 20852741 in words is "twenty million, eight hundred fifty-two thousand, seven hundred forty-one".