202220021222020 has 24 divisors (see below), whose sum is σ = 443125611722304. Its totient is φ = 77371138554336.

The previous prime is 202220021221993. The next prime is 202220021222071. The reversal of 202220021222020 is 20222120022202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219804370434 + ... + 219804371353.

It is an arithmetic number, because the mean of its divisors is an integer number (18463567155096).

Almost surely, 2^{202220021222020} is an apocalyptic number.

202220021222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220021222020 is an abundant number, since it is smaller than the sum of its proper divisors (240905590500284).

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

202220021222020 is a wasteful number, since it uses less digits than its factorization.

202220021222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439608741819 (or 439608741817 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 202220021222020 its reverse (20222120022202), we get a palindrome (222442141244222).

The spelling of 202220021222020 in words is "two hundred two trillion, two hundred twenty billion, twenty-one million, two hundred twenty-two thousand, twenty".