20207325066 has 32 divisors (see below), whose sum is σ = 40838299008. Its totient is φ = 6665267520.

The previous prime is 20207325049. The next prime is 20207325101. The reversal of 20207325066 is 66052370202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841620 + ... + 865296.

It is an arithmetic number, because the mean of its divisors is an integer number (1276196844).

Almost surely, 2^20207325066 is an apocalyptic number.

20207325066 is an abundant number, since it is smaller than the sum of its proper divisors (20630973942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20207325066 is a wasteful number, since it uses less digits than its factorization.

20207325066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25166.

The product of its (nonzero) digits is 30240, while the sum is 33.

Adding to 20207325066 its reverse (66052370202), we get a palindrome (86259695268).

The spelling of 20207325066 in words is "twenty billion, two hundred seven million, three hundred twenty-five thousand, sixty-six".