20868730563002 has 64 divisors (see below), whose sum is σ = 39331160064000. Its totient is φ = 8104288583232.

The previous prime is 20868730562989. The next prime is 20868730563011. The reversal of 20868730563002 is 20036503786802.

It is a super-2 number, since 2×20868730563002² (a number of 27 digits) contains 22 as substring.

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, 17388602 + ... + 18549957.

It is an arithmetic number, because the mean of its divisors is an integer number (614549376000).

Almost surely, 2^{20868730563002} is an apocalyptic number.

20868730563002 is a deficient number, since it is larger than the sum of its proper divisors (18462429500998).

20868730563002 is a wasteful number, since it uses less digits than its factorization.

20868730563002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35938683.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 20868730563002 in words is "twenty trillion, eight hundred sixty-eight billion, seven hundred thirty million, five hundred sixty-three thousand, two".