2020202001 has 12 divisors (see below), whose sum is σ = 2922932740. Its totient is φ = 1344556800.

The previous prime is 2020201991. The next prime is 2020202003. The reversal of 2020202001 is 1002020202.

It can be written as a sum of positive squares in 2 ways, for example, as 709689600 + 1310512401 = 26640^2 + 36201^2 .

It is not a de Polignac number, because 2020202001 - 2²³ = 2011813393 is a prime.

It is a super-2 number, since 2×2020202001² = 8162432249688808002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020202003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181336 + ... + 192153.

Almost surely, 2^2020202001 is an apocalyptic number.

It is an amenable number.

2020202001 is a deficient number, since it is larger than the sum of its proper divisors (902730739).

2020202001 is a wasteful number, since it uses less digits than its factorization.

2020202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374096 (or 374093 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2020202001 is about 44946.6572839405. The cubic root of 2020202001 is about 1264.1490005629.

Adding to 2020202001 its reverse (1002020202), we get a palindrome (3022222203).

The spelling of 2020202001 in words is "two billion, twenty million, two hundred two thousand, one".