20001404324 has 24 divisors (see below), whose sum is σ = 38463229728. Its totient is φ = 9025183040.

The previous prime is 20001404323. The next prime is 20001404351. The reversal of 20001404324 is 42340410002.

It is a junction number, because it is equal to n+sod(n) for n = 20001404296 and 20001404305.

It is not an unprimeable number, because it can be changed into a prime (20001404323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653014 + ... + 1665069.

It is an arithmetic number, because the mean of its divisors is an integer number (1602634572).

Almost surely, 2^20001404324 is an apocalyptic number.

It is an amenable number.

20001404324 is a deficient number, since it is larger than the sum of its proper divisors (18461825404).

20001404324 is a wasteful number, since it uses less digits than its factorization.

20001404324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318235 (or 3318233 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20001404324 its reverse (42340410002), we get a palindrome (62341814326).

The spelling of 20001404324 in words is "twenty billion, one million, four hundred four thousand, three hundred twenty-four".