20469340927 has 16 divisors (see below), whose sum is σ = 24650391040. Its totient is φ = 16604427168.

The previous prime is 20469340921. The next prime is 20469340933. The reversal of 20469340927 is 72904396402.

It is an interprime number because it is at equal distance from previous prime (20469340921) and next prime (20469340933).

It is not a de Polignac number, because 20469340927 - 2³ = 20469340919 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 (20469340921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49033 + ... + 208189.

It is an arithmetic number, because the mean of its divisors is an integer number (1540649440).

Almost surely, 2^20469340927 is an apocalyptic number.

20469340927 is a deficient number, since it is larger than the sum of its proper divisors (4181050113).

20469340927 is a wasteful number, since it uses less digits than its factorization.

20469340927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160150.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 20469340927 in words is "twenty billion, four hundred sixty-nine million, three hundred forty thousand, nine hundred twenty-seven".