20415463555124 has 12 divisors (see below), whose sum is σ = 38974975878048. Its totient is φ = 9279756161400.

The previous prime is 20415463555057. The next prime is 20415463555171. The reversal of 20415463555124 is 42155536451402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231993903992 + ... + 231993904079.

It is an arithmetic number, because the mean of its divisors is an integer number (3247914656504).

Almost surely, 2^{20415463555124} is an apocalyptic number.

It is an amenable number.

20415463555124 is a deficient number, since it is larger than the sum of its proper divisors (18559512322924).

20415463555124 is a wasteful number, since it uses less digits than its factorization.

20415463555124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463987808086 (or 463987808084 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 20415463555124 in words is "twenty trillion, four hundred fifteen billion, four hundred sixty-three million, five hundred fifty-five thousand, one hundred twenty-four".