20240064666502 has 16 divisors (see below), whose sum is σ = 32377251145680. Its totient is φ = 9456213028608.

The previous prime is 20240064666473. The next prime is 20240064666509. The reversal of 20240064666502 is 20566646004202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240064666509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141347863 + ... + 2141357314.

It is an arithmetic number, because the mean of its divisors is an integer number (2023578196605).

Almost surely, 2^{20240064666502} is an apocalyptic number.

20240064666502 is a deficient number, since it is larger than the sum of its proper divisors (12137186479178).

20240064666502 is a wasteful number, since it uses less digits than its factorization.

20240064666502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282705335.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 20240064666502 in words is "twenty trillion, two hundred forty billion, sixty-four million, six hundred sixty-six thousand, five hundred two".