20364741 has 24 divisors (see below), whose sum is σ = 30390360. Its totient is φ = 13132800.

The previous prime is 20364739. The next prime is 20364767. The reversal of 20364741 is 14746302.

It can be written as a sum of positive squares in 4 ways, for example, as 4730625 + 15634116 = 2175^2 + 3954^2 .

It is not a de Polignac number, because 20364741 - 2¹ = 20364739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20364341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84381 + ... + 84621.

It is an arithmetic number, because the mean of its divisors is an integer number (1266265).

Almost surely, 2^20364741 is an apocalyptic number.

It is an amenable number.

20364741 is a deficient number, since it is larger than the sum of its proper divisors (10025619).

20364741 is a wasteful number, since it uses less digits than its factorization.

20364741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 20364741 is about 4512.7309913178. The cubic root of 20364741 is about 273.0819300848.

The spelling of 20364741 in words is "twenty million, three hundred sixty-four thousand, seven hundred forty-one".