20413335463616 has 28 divisors (see below), whose sum is σ = 41449752393192. Its totient is φ = 9969303364608.

The previous prime is 20413335463583. The next prime is 20413335463621. The reversal of 20413335463616 is 61636453331402.

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, 3708815465 + ... + 3708820968.

Almost surely, 2^{20413335463616} is an apocalyptic number.

It is an amenable number.

20413335463616 is an abundant number, since it is smaller than the sum of its proper divisors (21036416929576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20413335463616 is an equidigital number, since it uses as much as digits as its factorization.

20413335463616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417636488 (or 7417636478 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 20413335463616 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-five million, four hundred sixty-three thousand, six hundred sixteen".