20122232202021 has 8 divisors (see below), whose sum is σ = 27400486402944. Its totient is φ = 13129399734560.

The previous prime is 20122232202013. The next prime is 20122232202043. The reversal of 20122232202021 is 12020223222102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20122232202021 - 2³ = 20122232202013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122232202001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71355433200 + ... + 71355433481.

It is an arithmetic number, because the mean of its divisors is an integer number (3425060800368).

Almost surely, 2^{20122232202021} is an apocalyptic number.

It is an amenable number.

20122232202021 is a deficient number, since it is larger than the sum of its proper divisors (7278254200923).

20122232202021 is a wasteful number, since it uses less digits than its factorization.

20122232202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142710866731.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20122232202021 its reverse (12020223222102), we get a palindrome (32142455424123).

The spelling of 20122232202021 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty-two million, two hundred two thousand, twenty-one".