20425361267 has 8 divisors (see below), whose sum is σ = 20980202496. Its totient is φ = 19870667712.

The previous prime is 20425361239. The next prime is 20425361273. The reversal of 20425361267 is 76216352402.

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 20425361267 - 2¹⁶ = 20425295731 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 20425361267.

It is not an unprimeable number, because it can be changed into a prime (20425361167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279863 + ... + 345215.

It is an arithmetic number, because the mean of its divisors is an integer number (2622525312).

Almost surely, 2^20425361267 is an apocalyptic number.

20425361267 is a deficient number, since it is larger than the sum of its proper divisors (554841229).

20425361267 is an equidigital number, since it uses as much as digits as its factorization.

20425361267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73837.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 20425361267 in words is "twenty billion, four hundred twenty-five million, three hundred sixty-one thousand, two hundred sixty-seven".