212202022000020 has 48 divisors (see below), whose sum is σ = 639870712494720. Its totient is φ = 52234343876736.

The previous prime is 212202022000019. The next prime is 212202022000043. The reversal of 212202022000020 is 20000220202212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136026936400 + ... + 136026937959.

It is an arithmetic number, because the mean of its divisors is an integer number (13330639843640).

Almost surely, 2^{212202022000020} is an apocalyptic number.

212202022000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212202022000020 is an abundant number, since it is smaller than the sum of its proper divisors (427668690494700).

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

212202022000020 is a wasteful number, since it uses less digits than its factorization.

212202022000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272053874384 (or 272053874382 counting only the distinct ones).

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

Adding to 212202022000020 its reverse (20000220202212), we get a palindrome (232202242202232).

The spelling of 212202022000020 in words is "two hundred twelve trillion, two hundred two billion, twenty-two million, twenty", and thus it is an aban number.