20222010212220 has 72 divisors (see below), whose sum is σ = 61348931162064. Its totient is φ = 5391759483648.

The previous prime is 20222010212197. The next prime is 20222010212237. The reversal of 20222010212220 is 2221201022202.

20222010212220 is a `hidden beast` number, since 2 + 0 + 2 + 220 + 10 + 212 + 220 = 666.

20222010212220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20222010212193 and 20222010212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6835369 + ... + 9336288.

It is an arithmetic number, because the mean of its divisors is an integer number (852068488362).

Almost surely, 2^{20222010212220} is an apocalyptic number.

20222010212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222010212220 is an abundant number, since it is smaller than the sum of its proper divisors (41126920949844).

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

20222010212220 is a wasteful number, since it uses less digits than its factorization.

20222010212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16178619 (or 16178614 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222010212220 its reverse (2221201022202), we get a palindrome (22443211234422).

The spelling of 20222010212220 in words is "twenty trillion, two hundred twenty-two billion, ten million, two hundred twelve thousand, two hundred twenty".