20850741 has 12 divisors (see below), whose sum is σ = 30159168. Its totient is φ = 13881384.

The previous prime is 20850737. The next prime is 20850749. The reversal of 20850741 is 14705802.

It is not a de Polignac number, because 20850741 - 2² = 20850737 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850749) 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, 9076 + ... + 11138.

It is an arithmetic number, because the mean of its divisors is an integer number (2513264).

Almost surely, 2^20850741 is an apocalyptic number.

It is an amenable number.

20850741 is a deficient number, since it is larger than the sum of its proper divisors (9308427).

20850741 is a wasteful number, since it uses less digits than its factorization.

20850741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 20850741 is about 4566.2611620449. The cubic root of 20850741 is about 275.2372212041.

The spelling of 20850741 in words is "twenty million, eight hundred fifty thousand, seven hundred forty-one".