20425363265 has 8 divisors (see below), whose sum is σ = 25172880360. Its totient is φ = 15898660992.

The previous prime is 20425363253. The next prime is 20425363267. The reversal of 20425363265 is 56236352402.

It can be written as a sum of positive squares in 4 ways, for example, as 4657789504 + 15767573761 = 68248^2 + 125569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20425363265 - 2¹⁸ = 20425101121 is a prime.

It is a super-2 number, since 2×20425363265² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20425363267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55203500 + ... + 55203869.

It is an arithmetic number, because the mean of its divisors is an integer number (3146610045).

Almost surely, 2^20425363265 is an apocalyptic number.

It is an amenable number.

20425363265 is a deficient number, since it is larger than the sum of its proper divisors (4747517095).

20425363265 is a wasteful number, since it uses less digits than its factorization.

20425363265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110407411.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 20425363265 in words is "twenty billion, four hundred twenty-five million, three hundred sixty-three thousand, two hundred sixty-five".