202212202020 has 48 divisors (see below), whose sum is σ = 566279562240. Its totient is φ = 53915120896.

The previous prime is 202212202009. The next prime is 202212202057. The reversal of 202212202020 is 20202212202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152344 + ... + 653936.

It is an arithmetic number, because the mean of its divisors is an integer number (11797490880).

Almost surely, 2^202212202020 is an apocalyptic number.

202212202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202212202020 is an abundant number, since it is smaller than the sum of its proper divisors (364067360220).

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

202212202020 is a wasteful number, since it uses less digits than its factorization.

202212202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508324 (or 508322 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 202212202020 its reverse (20202212202), we get a palindrome (222414414222).

The spelling of 202212202020 in words is "two hundred two billion, two hundred twelve million, two hundred two thousand, twenty".