20365413 has 8 divisors (see below), whose sum is σ = 27175776. Its totient is φ = 13566000.

The previous prime is 20365393. The next prime is 20365421. The reversal of 20365413 is 31456302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20365413 - 2⁵ = 20365381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20365463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918 + ... + 7488.

It is an arithmetic number, because the mean of its divisors is an integer number (3396972).

Almost surely, 2^20365413 is an apocalyptic number.

It is an amenable number.

20365413 is a deficient number, since it is larger than the sum of its proper divisors (6810363).

20365413 is a wasteful number, since it uses less digits than its factorization.

20365413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 20365413 is about 4512.8054467260. The cubic root of 20365413 is about 273.0849337901.

The spelling of 20365413 in words is "twenty million, three hundred sixty-five thousand, four hundred thirteen".