20006024155563 has 16 divisors (see below), whose sum is σ = 26771359968000. Its totient is φ = 13289020195296.

The previous prime is 20006024155399. The next prime is 20006024155591. The reversal of 20006024155563 is 36555142060002.

It is not a de Polignac number, because 20006024155563 - 2¹³ = 20006024147371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20006024155063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93818938 + ... + 94031936.

It is an arithmetic number, because the mean of its divisors is an integer number (1673209998000).

Almost surely, 2^{20006024155563} is an apocalyptic number.

20006024155563 is a deficient number, since it is larger than the sum of its proper divisors (6765335812437).

20006024155563 is a wasteful number, since it uses less digits than its factorization.

20006024155563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326306.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 20006024155563 in words is "twenty trillion, six billion, twenty-four million, one hundred fifty-five thousand, five hundred sixty-three".