20361463 has 8 divisors (see below), whose sum is σ = 21292128. Its totient is φ = 19434624.

The previous prime is 20361457. The next prime is 20361469. The reversal of 20361463 is 36416302.

It is an interprime number because it is at equal distance from previous prime (20361457) and next prime (20361469).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20361463 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 (20361469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19195 + ... + 20227.

It is an arithmetic number, because the mean of its divisors is an integer number (2661516).

Almost surely, 2^20361463 is an apocalyptic number.

20361463 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20361463 is a deficient number, since it is larger than the sum of its proper divisors (930665).

20361463 is a wasteful number, since it uses less digits than its factorization.

20361463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

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

The square root of 20361463 is about 4512.3677819965. The cubic root of 20361463 is about 273.0672771347.

Adding to 20361463 its reverse (36416302), we get a palindrome (56777765).

The spelling of 20361463 in words is "twenty million, three hundred sixty-one thousand, four hundred sixty-three".