20024044001 has 8 divisors (see below), whose sum is σ = 21596217384. Its totient is φ = 18456422400.

The previous prime is 20024043979. The next prime is 20024044009. The reversal of 20024044001 is 10044042002.

It can be written as a sum of positive squares in 4 ways, for example, as 7181715025 + 12842328976 = 84745^2 + 113324^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20024044001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20024044009) 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, 1128800 + ... + 1146401.

It is an arithmetic number, because the mean of its divisors is an integer number (2699527173).

Almost surely, 2^20024044001 is an apocalyptic number.

It is an amenable number.

20024044001 is a deficient number, since it is larger than the sum of its proper divisors (1572173383).

20024044001 is a wasteful number, since it uses less digits than its factorization.

20024044001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275891.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20024044001 its reverse (10044042002), we get a palindrome (30068086003).

The spelling of 20024044001 in words is "twenty billion, twenty-four million, forty-four thousand, one".