20204020001 has 8 divisors (see below), whose sum is σ = 22052366208. Its totient is φ = 18357610000.

The previous prime is 20204019967. The next prime is 20204020013. The reversal of 20204020001 is 10002040202.

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 20204020001 - 2¹⁸ = 20203757857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20204020021) 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, 462185 + ... + 504006.

It is an arithmetic number, because the mean of its divisors is an integer number (2756545776).

Almost surely, 2^20204020001 is an apocalyptic number.

It is an amenable number.

20204020001 is a deficient number, since it is larger than the sum of its proper divisors (1848346207).

20204020001 is a wasteful number, since it uses less digits than its factorization.

20204020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968103.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20204020001 its reverse (10002040202), we get a palindrome (30206060203).

The spelling of 20204020001 in words is "twenty billion, two hundred four million, twenty thousand, one".