20666503303002 has 48 divisors (see below), whose sum is σ = 47138599085760. Its totient is φ = 6525645451776.

The previous prime is 20666503302919. The next prime is 20666503303087. The reversal of 20666503303002 is 20030330566602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754618 + ... + 6473210.

It is an arithmetic number, because the mean of its divisors is an integer number (982054147620).

Almost surely, 2^{20666503303002} is an apocalyptic number.

20666503303002 is an abundant number, since it is smaller than the sum of its proper divisors (26472095782758).

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

20666503303002 is a wasteful number, since it uses less digits than its factorization.

20666503303002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729187 (or 5729184 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 20666503303002 its reverse (20030330566602), we get a palindrome (40696833869604).

The spelling of 20666503303002 in words is "twenty trillion, six hundred sixty-six billion, five hundred three million, three hundred three thousand, two".