20202010001 has 8 divisors (see below), whose sum is σ = 20423807208. Its totient is φ = 19980640000.

The previous prime is 20202009923. The next prime is 20202010009. The reversal of 20202010001 is 10001020202.

It can be written as a sum of positive squares in 4 ways, for example, as 15575289601 + 4626720400 = 124801^2 + 68020^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202010009) 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, 11240 + ... + 201321.

It is an arithmetic number, because the mean of its divisors is an integer number (2552975901).

Almost surely, 2^20202010001 is an apocalyptic number.

It is an amenable number.

20202010001 is a deficient number, since it is larger than the sum of its proper divisors (221797207).

20202010001 is a wasteful number, since it uses less digits than its factorization.

20202010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213603.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20202010001 its reverse (10001020202), we get a palindrome (30203030203).

The spelling of 20202010001 in words is "twenty billion, two hundred two million, ten thousand, one".