20415463504612 has 96 divisors (see below), whose sum is σ = 39372734016000. Its totient is φ = 9185538777600.

The previous prime is 20415463504573. The next prime is 20415463504627. The reversal of 20415463504612 is 21640536451402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2578031589 + ... + 2578039507.

It is an arithmetic number, because the mean of its divisors is an integer number (410132646000).

Almost surely, 2^{20415463504612} is an apocalyptic number.

20415463504612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20415463504612 is a deficient number, since it is larger than the sum of its proper divisors (18957270511388).

20415463504612 is a wasteful number, since it uses less digits than its factorization.

20415463504612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9397 (or 9395 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 20415463504612 in words is "twenty trillion, four hundred fifteen billion, four hundred sixty-three million, five hundred four thousand, six hundred twelve".