202021120020022 has 16 divisors (see below), whose sum is σ = 307475075855952. Its totient is φ = 99532061193600.

The previous prime is 202021120020017. The next prime is 202021120020029. The reversal of 202021120020022 is 220020021120202.

It is a junction number, because it is equal to n+sod(n) for n = 202021120019978 and 202021120020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021120020029) 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, 658127383 + ... + 658434274.

It is an arithmetic number, because the mean of its divisors is an integer number (19217192240997).

Almost surely, 2^{202021120020022} is an apocalyptic number.

202021120020022 is a deficient number, since it is larger than the sum of its proper divisors (105453955835930).

202021120020022 is a wasteful number, since it uses less digits than its factorization.

202021120020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316562783.

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

Adding to 202021120020022 its reverse (220020021120202), we get a palindrome (422041141140224).

The spelling of 202021120020022 in words is "two hundred two trillion, twenty-one billion, one hundred twenty million, twenty thousand, twenty-two".