20463361 has 8 divisors (see below), whose sum is σ = 21589920. Its totient is φ = 19341792.

The previous prime is 20463349. The next prime is 20463367. The reversal of 20463361 is 16336402.

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

It is a cyclic number.

It is not a de Polignac number, because 20463361 - 2²³ = 12074753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20463367) 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, 9741 + ... + 11653.

It is an arithmetic number, because the mean of its divisors is an integer number (2698740).

Almost surely, 2^20463361 is an apocalyptic number.

It is an amenable number.

20463361 is a deficient number, since it is larger than the sum of its proper divisors (1126559).

20463361 is a wasteful number, since it uses less digits than its factorization.

20463361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 20463361 is about 4523.6446589006. The cubic root of 20463361 is about 273.5220368885.

Adding to 20463361 its reverse (16336402), we get a palindrome (36799763).

The spelling of 20463361 in words is "twenty million, four hundred sixty-three thousand, three hundred sixty-one".