20009120018302 has 4 divisors (see below), whose sum is σ = 30013680027456. Its totient is φ = 10004560009150.

The previous prime is 20009120018269. The next prime is 20009120018357. The reversal of 20009120018302 is 20381002190002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5002280004574 + ... + 5002280004577.

It is an arithmetic number, because the mean of its divisors is an integer number (7503420006864).

Almost surely, 2^{20009120018302} is an apocalyptic number.

20009120018302 is a deficient number, since it is larger than the sum of its proper divisors (10004560009154).

20009120018302 is a wasteful number, since it uses less digits than its factorization.

20009120018302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004560009153.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20009120018302 in words is "twenty trillion, nine billion, one hundred twenty million, eighteen thousand, three hundred two".