202220110221020 has 12 divisors (see below), whose sum is σ = 424662231464184. Its totient is φ = 80888044088400.

The previous prime is 202220110221007. The next prime is 202220110221053. The reversal of 202220110221020 is 20122011022202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202220110221020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055502755506 + ... + 5055502755545.

It is an arithmetic number, because the mean of its divisors is an integer number (35388519288682).

Almost surely, 2^{202220110221020} is an apocalyptic number.

202220110221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220110221020 is an abundant number, since it is smaller than the sum of its proper divisors (222442121243164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202220110221020 is a wasteful number, since it uses less digits than its factorization.

202220110221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111005511060 (or 10111005511058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202220110221020 its reverse (20122011022202), we get a palindrome (222342121243222).

The spelling of 202220110221020 in words is "two hundred two trillion, two hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, twenty".