20007130665 has 8 divisors (see below), whose sum is σ = 32011409088. Its totient is φ = 10670469680.

The previous prime is 20007130651. The next prime is 20007130667. The reversal of 20007130665 is 56603170002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20007130665 - 2¹⁰ = 20007129641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20007130667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666904341 + ... + 666904370.

It is an arithmetic number, because the mean of its divisors is an integer number (4001426136).

Almost surely, 2^20007130665 is an apocalyptic number.

It is an amenable number.

20007130665 is a deficient number, since it is larger than the sum of its proper divisors (12004278423).

20007130665 is a wasteful number, since it uses less digits than its factorization.

20007130665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333808719.

The product of its (nonzero) digits is 7560, while the sum is 30.

The spelling of 20007130665 in words is "twenty billion, seven million, one hundred thirty thousand, six hundred sixty-five".