201220020022 has 16 divisors (see below), whose sum is σ = 365239700640. Its totient is φ = 81164377728.

The previous prime is 201220020013. The next prime is 201220020041. The reversal of 201220020022 is 220020022102.

It is a junction number, because it is equal to n+sod(n) for n = 201220019984 and 201220020011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422730897 + ... + 422731372.

It is an arithmetic number, because the mean of its divisors is an integer number (22827481290).

Almost surely, 2^201220020022 is an apocalyptic number.

201220020022 is a deficient number, since it is larger than the sum of its proper divisors (164019680618).

201220020022 is a wasteful number, since it uses less digits than its factorization.

201220020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845462295.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 201220020022 its reverse (220020022102), we get a palindrome (421240042124).

The spelling of 201220020022 in words is "two hundred one billion, two hundred twenty million, twenty thousand, twenty-two".