20389330107 has 12 divisors (see below), whose sum is σ = 29509122240. Its totient is φ = 13566178608.

The previous prime is 20389330097. The next prime is 20389330111. The reversal of 20389330107 is 70103398302.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-20389330107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20389338107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2220843 + ... + 2230004.

It is an arithmetic number, because the mean of its divisors is an integer number (2459093520).

Almost surely, 2^20389330107 is an apocalyptic number.

20389330107 is a deficient number, since it is larger than the sum of its proper divisors (9119792133).

20389330107 is a wasteful number, since it uses less digits than its factorization.

20389330107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451362 (or 4451359 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 20389330107 in words is "twenty billion, three hundred eighty-nine million, three hundred thirty thousand, one hundred seven".