20165326652 has 6 divisors (see below), whose sum is σ = 35289321648. Its totient is φ = 10082663324.

The previous prime is 20165326631. The next prime is 20165326661. The reversal of 20165326652 is 25662356102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520665828 + ... + 2520665835.

It is an arithmetic number, because the mean of its divisors is an integer number (5881553608).

Almost surely, 2^20165326652 is an apocalyptic number.

It is an amenable number.

20165326652 is a deficient number, since it is larger than the sum of its proper divisors (15123994996).

20165326652 is a wasteful number, since it uses less digits than its factorization.

20165326652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041331667 (or 5041331665 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 20165326652 in words is "twenty billion, one hundred sixty-five million, three hundred twenty-six thousand, six hundred fifty-two".