20415314403 has 24 divisors (see below), whose sum is σ = 32178422016. Its totient is φ = 12369519600.

The previous prime is 20415314371. The next prime is 20415314473. The reversal of 20415314403 is 30441351402.

It is a happy number.

20415314403 is a `hidden beast` number, since 204 + 1 + 53 + 1 + 4 + 403 = 666.

It is not a de Polignac number, because 20415314403 - 2⁵ = 20415314371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20415314473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 360826 + ... + 413552.

It is an arithmetic number, because the mean of its divisors is an integer number (1340767584).

Almost surely, 2^20415314403 is an apocalyptic number.

20415314403 is a deficient number, since it is larger than the sum of its proper divisors (11763107613).

20415314403 is a wasteful number, since it uses less digits than its factorization.

20415314403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56655 (or 56652 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20415314403 its reverse (30441351402), we get a palindrome (50856665805).

The spelling of 20415314403 in words is "twenty billion, four hundred fifteen million, three hundred fourteen thousand, four hundred three".