2020010221001 has 4 divisors (see below), whose sum is σ = 2020273628100. Its totient is φ = 2019746813904.

The previous prime is 2020010220989. The next prime is 2020010221013. The reversal of 2020010221001 is 1001220100202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2020010220989) and next prime (2020010221013).

It can be written as a sum of positive squares in 2 ways, for example, as 1796942931001 + 223067290000 = 1340501^2 + 472300^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020010221001 - 2¹⁴ = 2020010204617 is a prime.

It is a super-2 number, since 2×2020010221001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020010221051) 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, 131692046 + ... + 131707383.

It is an arithmetic number, because the mean of its divisors is an integer number (505068407025).

Almost surely, 2^{2020010221001} is an apocalyptic number.

It is an amenable number.

2020010221001 is a deficient number, since it is larger than the sum of its proper divisors (263407099).

2020010221001 is an equidigital number, since it uses as much as digits as its factorization.

2020010221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263407098.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2020010221001 its reverse (1001220100202), we get a palindrome (3021230321203).

The spelling of 2020010221001 in words is "two trillion, twenty billion, ten million, two hundred twenty-one thousand, one".