20365741 has 16 divisors (see below), whose sum is σ = 23442048. Its totient is φ = 17512000.

The previous prime is 20365693. The next prime is 20365747. The reversal of 20365741 is 14756302.

It is not a de Polignac number, because 20365741 - 2⁹ = 20365229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20365747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25155 + ... + 25951.

It is an arithmetic number, because the mean of its divisors is an integer number (1465128).

Almost surely, 2^20365741 is an apocalyptic number.

It is an amenable number.

20365741 is a deficient number, since it is larger than the sum of its proper divisors (3076307).

20365741 is a wasteful number, since it uses less digits than its factorization.

20365741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20365741 is about 4512.8417876101. The cubic root of 20365741 is about 273.0863998603.

It can be divided in two parts, 2036 and 5741, that added together give a palindrome (7777).

The spelling of 20365741 in words is "twenty million, three hundred sixty-five thousand, seven hundred forty-one".