20022010210021 has 8 divisors (see below), whose sum is σ = 20056725252864. Its totient is φ = 19987307564400.

The previous prime is 20022010210009. The next prime is 20022010210043. The reversal of 20022010210021 is 12001201022002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022010210021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022010209983 and 20022010210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022010210061) 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, 136500 + ... + 6329506.

It is an arithmetic number, because the mean of its divisors is an integer number (2507090656608).

Almost surely, 2^{20022010210021} is an apocalyptic number.

It is an amenable number.

20022010210021 is a deficient number, since it is larger than the sum of its proper divisors (34715042843).

20022010210021 is an equidigital number, since it uses as much as digits as its factorization.

20022010210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198611.

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

Adding to 20022010210021 its reverse (12001201022002), we get a palindrome (32023211232023).

The spelling of 20022010210021 in words is "twenty trillion, twenty-two billion, ten million, two hundred ten thousand, twenty-one".