20061807707 has 16 divisors (see below), whose sum is σ = 21290480640. Its totient is φ = 18864935232.

The previous prime is 20061807691. The next prime is 20061807713. The reversal of 20061807707 is 70770816002.

It is a cyclic number.

It is not a de Polignac number, because 20061807707 - 2⁴ = 20061807691 is a prime.

It is a super-2 number, since 2×20061807707² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20061807737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399668 + ... + 447054.

It is an arithmetic number, because the mean of its divisors is an integer number (1330655040).

Almost surely, 2^20061807707 is an apocalyptic number.

20061807707 is a deficient number, since it is larger than the sum of its proper divisors (1228672933).

20061807707 is a wasteful number, since it uses less digits than its factorization.

20061807707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47722.

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 20061807707 in words is "twenty billion, sixty-one million, eight hundred seven thousand, seven hundred seven".