20202021222122 has 16 divisors (see below), whose sum is σ = 30816918849600. Its totient is φ = 9929718009120.

The previous prime is 20202021222121. The next prime is 20202021222133. The reversal of 20202021222122 is 22122212020202.

It is a super-2 number, since 2×20202021222122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20202021222094 and 20202021222103.

It is not an unprimeable number, because it can be changed into a prime (20202021222121) 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, 13580579 + ... + 14994537.

It is an arithmetic number, because the mean of its divisors is an integer number (1926057428100).

Almost surely, 2^{20202021222122} is an apocalyptic number.

20202021222122 is a deficient number, since it is larger than the sum of its proper divisors (10614897627478).

20202021222122 is a wasteful number, since it uses less digits than its factorization.

20202021222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535101.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20202021222122 its reverse (22122212020202), we get a palindrome (42324233242324).

The spelling of 20202021222122 in words is "twenty trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".