10220020002001 has 4 divisors (see below), whose sum is σ = 10757915791600. Its totient is φ = 9682124212404.

The previous prime is 10220020001987. The next prime is 10220020002013. The reversal of 10220020002001 is 10020002002201.

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 10220020002001 - 2⁵ = 10220020001969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10220020002601) 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, 268947894771 + ... + 268947894808.

It is an arithmetic number, because the mean of its divisors is an integer number (2689478947900).

Almost surely, 2^{10220020002001} is an apocalyptic number.

It is an amenable number.

10220020002001 is a deficient number, since it is larger than the sum of its proper divisors (537895789599).

10220020002001 is an equidigital number, since it uses as much as digits as its factorization.

10220020002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537895789598.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10220020002001 its reverse (10020002002201), we get a palindrome (20240022004202).

The spelling of 10220020002001 in words is "ten trillion, two hundred twenty billion, twenty million, two thousand, one".