20275467305 has 16 divisors (see below), whose sum is σ = 25545222720. Its totient is φ = 15427296192.

The previous prime is 20275467263. The next prime is 20275467307. The reversal of 20275467305 is 50376457202.

It is a cyclic number.

It is not a de Polignac number, because 20275467305 - 2⁶ = 20275467241 is a prime.

It is a super-2 number, since 2×20275467305² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20275467307) 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, 1033799 + ... + 1053228.

It is an arithmetic number, because the mean of its divisors is an integer number (1596576420).

Almost surely, 2^20275467305 is an apocalyptic number.

It is an amenable number.

20275467305 is a deficient number, since it is larger than the sum of its proper divisors (5269755415).

20275467305 is a wasteful number, since it uses less digits than its factorization.

20275467305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087128.

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 20275467305 in words is "twenty billion, two hundred seventy-five million, four hundred sixty-seven thousand, three hundred five".