20024442401 has 8 divisors (see below), whose sum is σ = 20562542880. Its totient is φ = 19489633632.

The previous prime is 20024442397. The next prime is 20024442407. The reversal of 20024442401 is 10424442002.

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

It is a cyclic number.

It is not a de Polignac number, because 20024442401 - 2² = 20024442397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20024442407) 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, 810596 + ... + 834933.

It is an arithmetic number, because the mean of its divisors is an integer number (2570317860).

Almost surely, 2^20024442401 is an apocalyptic number.

It is an amenable number.

20024442401 is a deficient number, since it is larger than the sum of its proper divisors (538100479).

20024442401 is a wasteful number, since it uses less digits than its factorization.

20024442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645855.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20024442401 its reverse (10424442002), we get a palindrome (30448884403).

The spelling of 20024442401 in words is "twenty billion, twenty-four million, four hundred forty-two thousand, four hundred one".