20305463071 has 8 divisors (see below), whose sum is σ = 20615672880. Its totient is φ = 19995463488.

The previous prime is 20305462999. The next prime is 20305463131. The reversal of 20305463071 is 17036450302.

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 20305463071 - 2⁷ = 20305462943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20305493071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147885 + ... + 249961.

It is an arithmetic number, because the mean of its divisors is an integer number (2576959110).

Almost surely, 2^20305463071 is an apocalyptic number.

20305463071 is a deficient number, since it is larger than the sum of its proper divisors (310209809).

20305463071 is a wasteful number, since it uses less digits than its factorization.

20305463071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105113.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 20305463071 in words is "twenty billion, three hundred five million, four hundred sixty-three thousand, seventy-one".