20202202021011 has 4 divisors (see below), whose sum is σ = 26936269361352. Its totient is φ = 13468134680672.

The previous prime is 20202202020893. The next prime is 20202202021051. The reversal of 20202202021011 is 11012020220202.

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 20202202021011 - 2⁷ = 20202202020883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20202202021051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367033670166 + ... + 3367033670171.

It is an arithmetic number, because the mean of its divisors is an integer number (6734067340338).

Almost surely, 2^{20202202021011} is an apocalyptic number.

20202202021011 is a deficient number, since it is larger than the sum of its proper divisors (6734067340341).

20202202021011 is an equidigital number, since it uses as much as digits as its factorization.

20202202021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734067340340.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20202202021011 its reverse (11012020220202), we get a palindrome (31214222241213).

The spelling of 20202202021011 in words is "twenty trillion, two hundred two billion, two hundred two million, twenty-one thousand, eleven".