20314423424 has 64 divisors (see below), whose sum is σ = 41498538840. Its totient is φ = 9901572096.

The previous prime is 20314423397. The next prime is 20314423457. The reversal of 20314423424 is 42432441302.

It can be written as a sum of positive squares in 4 ways, for example, as 11455849024 + 8858574400 = 107032^2 + 94120^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1055552 + ... + 1074624.

Almost surely, 2^20314423424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20314423424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20749269420).

20314423424 is an abundant number, since it is smaller than the sum of its proper divisors (21184115416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20314423424 is a wasteful number, since it uses less digits than its factorization.

20314423424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19297 (or 19285 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20314423424 its reverse (42432441302), we get a palindrome (62746864726).

The spelling of 20314423424 in words is "twenty billion, three hundred fourteen million, four hundred twenty-three thousand, four hundred twenty-four".