20220020211001 has 4 divisors (see below), whose sum is σ = 21775406381092. Its totient is φ = 18664634040912.

The previous prime is 20220020210947. The next prime is 20220020211023. The reversal of 20220020211001 is 10011202002202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3407568321600 + 16812451889401 = 1845960^2 + 4100299^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220020211001 - 2¹⁵ = 20220020178233 is a prime.

It is a super-2 number, since 2×20220020211001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1555386170077 = 20220020211001 / (2 + 0 + 2 + 2 + 0 + 0 + 2 + 0 + 2 + 1 + 1 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (20220020211071) 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, 777693085026 + ... + 777693085051.

It is an arithmetic number, because the mean of its divisors is an integer number (5443851595273).

Almost surely, 2^{20220020211001} is an apocalyptic number.

It is an amenable number.

20220020211001 is a deficient number, since it is larger than the sum of its proper divisors (1555386170091).

20220020211001 is a wasteful number, since it uses less digits than its factorization.

20220020211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555386170090.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220020211001 its reverse (10011202002202), we get a palindrome (30231222213203).

The spelling of 20220020211001 in words is "twenty trillion, two hundred twenty billion, twenty million, two hundred eleven thousand, one".