20002423424 has 32 divisors (see below), whose sum is σ = 39910715040. Its totient is φ = 9985616640.

The previous prime is 20002423423. The next prime is 20002423439. The reversal of 20002423424 is 42432420002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20002423424.

It is not an unprimeable number, because it can be changed into a prime (20002423423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39212 + ... + 203819.

It is an arithmetic number, because the mean of its divisors is an integer number (1247209845).

Almost surely, 2^20002423424 is an apocalyptic number.

It is an amenable number.

20002423424 is a deficient number, since it is larger than the sum of its proper divisors (19908291616).

20002423424 is an equidigital number, since it uses as much as digits as its factorization.

20002423424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243688 (or 243676 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20002423424 its reverse (42432420002), we get a palindrome (62434843426).

The spelling of 20002423424 in words is "twenty billion, two million, four hundred twenty-three thousand, four hundred twenty-four".