4020802606211 has 4 divisors (see below), whose sum is σ = 4020829262352. Its totient is φ = 4020775950072.

The previous prime is 4020802606189. The next prime is 4020802606217. The reversal of 4020802606211 is 1126062080204.

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

It is a cyclic number.

It is not a de Polignac number, because 4020802606211 - 2²⁶ = 4020735497347 is a prime.

It is a super-2 number, since 2×4020802606211² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020802606217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13100516 + ... + 13403921.

It is an arithmetic number, because the mean of its divisors is an integer number (1005207315588).

Almost surely, 2^{4020802606211} is an apocalyptic number.

4020802606211 is a deficient number, since it is larger than the sum of its proper divisors (26656141).

4020802606211 is a wasteful number, since it uses less digits than its factorization.

4020802606211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26656140.

The product of its (nonzero) digits is 9216, while the sum is 32.

Adding to 4020802606211 its reverse (1126062080204), we get a palindrome (5146864686415).

The spelling of 4020802606211 in words is "four trillion, twenty billion, eight hundred two million, six hundred six thousand, two hundred eleven".