20463416 has 16 divisors (see below), whose sum is σ = 38651040. Its totient is φ = 10156480.

The previous prime is 20463409. The next prime is 20463451. The reversal of 20463416 is 61436402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8240 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (2415690).

Almost surely, 2^20463416 is an apocalyptic number.

It is an amenable number.

20463416 is a deficient number, since it is larger than the sum of its proper divisors (18187624).

20463416 is a wasteful number, since it uses less digits than its factorization.

20463416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18814 (or 18810 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20463416 is about 4523.6507380654. The cubic root of 20463416 is about 273.5222819395.

Adding to 20463416 its reverse (61436402), we get a palindrome (81899818).

The spelling of 20463416 in words is "twenty million, four hundred sixty-three thousand, four hundred sixteen".