20413335463636 has 24 divisors (see below), whose sum is σ = 35789102770176. Its totient is φ = 10187885806560.

The previous prime is 20413335463621. The next prime is 20413335463649. The reversal of 20413335463636 is 63636453331402.

It is a self number, because there is not a number n which added to its sum of digits gives 20413335463636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8854125 + ... + 10918891.

It is an arithmetic number, because the mean of its divisors is an integer number (1491212615424).

Almost surely, 2^{20413335463636} is an apocalyptic number.

It is an amenable number.

20413335463636 is a deficient number, since it is larger than the sum of its proper divisors (15375767306540).

20413335463636 is a wasteful number, since it uses less digits than its factorization.

20413335463636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069319 (or 2069317 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 49.

The spelling of 20413335463636 in words is "twenty trillion, four hundred thirteen billion, three hundred thirty-five million, four hundred sixty-three thousand, six hundred thirty-six".