20463406 has 8 divisors (see below), whose sum is σ = 31274424. Its totient is φ = 10038600.

The previous prime is 20463403. The next prime is 20463409. The reversal of 20463406 is 60436402.

It is an interprime number because it is at equal distance from previous prime (20463403) and next prime (20463409).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20463403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96420 + ... + 96631.

It is an arithmetic number, because the mean of its divisors is an integer number (3909303).

Almost surely, 2^20463406 is an apocalyptic number.

20463406 is a deficient number, since it is larger than the sum of its proper divisors (10811018).

20463406 is a wasteful number, since it uses less digits than its factorization.

20463406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193106.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20463406 is about 4523.6496327634. The cubic root of 20463406 is about 273.5222373848.

Adding to 20463406 its reverse (60436402), we get a palindrome (80899808).

The spelling of 20463406 in words is "twenty million, four hundred sixty-three thousand, four hundred six".