20024220001 has 4 divisors (see below), whose sum is σ = 20211362352. Its totient is φ = 19837077652.

The previous prime is 20024219993. The next prime is 20024220053. The reversal of 20024220001 is 10002242002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20024220001 - 2³ = 20024219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20024223001) 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, 93571015 + ... + 93571228.

It is an arithmetic number, because the mean of its divisors is an integer number (5052840588).

Almost surely, 2^20024220001 is an apocalyptic number.

It is an amenable number.

20024220001 is a deficient number, since it is larger than the sum of its proper divisors (187142351).

20024220001 is a wasteful number, since it uses less digits than its factorization.

20024220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187142350.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20024220001 its reverse (10002242002), we get a palindrome (30026462003).

The spelling of 20024220001 in words is "twenty billion, twenty-four million, two hundred twenty thousand, one".