20065766707 has 48 divisors (see below), whose sum is σ = 24469266432. Its totient is φ = 16387842240.

The previous prime is 20065766659. The next prime is 20065766711. The reversal of 20065766707 is 70766756002.

It is not a de Polignac number, because 20065766707 - 2⁷ = 20065766579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20065766767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43338358 + ... + 43338820.

It is an arithmetic number, because the mean of its divisors is an integer number (509776384).

Almost surely, 2^20065766707 is an apocalyptic number.

20065766707 is a deficient number, since it is larger than the sum of its proper divisors (4403499725).

20065766707 is a wasteful number, since it uses less digits than its factorization.

20065766707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 20065766707 in words is "twenty billion, sixty-five million, seven hundred sixty-six thousand, seven hundred seven".