20306725201 has 16 divisors (see below), whose sum is σ = 23713873920. Its totient is φ = 17026511760.

The previous prime is 20306725193. The next prime is 20306725223. The reversal of 20306725201 is 10252760302.

It is a cyclic number.

It is not a de Polignac number, because 20306725201 - 2³ = 20306725193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20306725201.

It is not an unprimeable number, because it can be changed into a prime (20306722201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655696 + ... + 685966.

It is an arithmetic number, because the mean of its divisors is an integer number (1482117120).

Almost surely, 2^20306725201 is an apocalyptic number.

It is an amenable number.

20306725201 is a deficient number, since it is larger than the sum of its proper divisors (3407148719).

20306725201 is a wasteful number, since it uses less digits than its factorization.

20306725201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32364.

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 20306725201 in words is "twenty billion, three hundred six million, seven hundred twenty-five thousand, two hundred one".