20022010222021 has 16 divisors (see below), whose sum is σ = 20569787421120. Its totient is φ = 19481999518080.

The previous prime is 20022010222013. The next prime is 20022010222037. The reversal of 20022010222021 is 12022201022002.

It is a cyclic number.

It is not a de Polignac number, because 20022010222021 - 2³ = 20022010222013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022010221986 and 20022010222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022010222051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4261206 + ... + 7629016.

It is an arithmetic number, because the mean of its divisors is an integer number (1285611713820).

Almost surely, 2^{20022010222021} is an apocalyptic number.

It is an amenable number.

20022010222021 is a deficient number, since it is larger than the sum of its proper divisors (547777199099).

20022010222021 is an equidigital number, since it uses as much as digits as its factorization.

20022010222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368964.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022010222021 its reverse (12022201022002), we get a palindrome (32044211244023).

The spelling of 20022010222021 in words is "twenty trillion, twenty-two billion, ten million, two hundred twenty-two thousand, twenty-one".