20314430073 has 20 divisors (see below), whose sum is σ = 34681426560. Its totient is φ = 11608245432.

The previous prime is 20314430039. The next prime is 20314430159. The reversal of 20314430073 is 37003441302.

It is not a de Polignac number, because 20314430073 - 2²² = 20310235769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20314430033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17913393 + ... + 17914526.

It is an arithmetic number, because the mean of its divisors is an integer number (1734071328).

Almost surely, 2^20314430073 is an apocalyptic number.

It is an amenable number.

20314430073 is a deficient number, since it is larger than the sum of its proper divisors (14366996487).

20314430073 is an equidigital number, since it uses as much as digits as its factorization.

20314430073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35827938 (or 35827929 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

Adding to 20314430073 its reverse (37003441302), we get a palindrome (57317871375).

The spelling of 20314430073 in words is "twenty billion, three hundred fourteen million, four hundred thirty thousand, seventy-three".