10222120020020 has 12 divisors (see below), whose sum is σ = 21466452042084. Its totient is φ = 4088848008000.

The previous prime is 10222120019983. The next prime is 10222120020053. The reversal of 10222120020020 is 2002002122201.

It can be written as a sum of positive squares in 2 ways, for example, as 3037114823824 + 7185005196196 = 1742732^2 + 2680486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10222120019977 and 10222120020004.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 255553000481 + ... + 255553000520.

It is an arithmetic number, because the mean of its divisors is an integer number (1788871003507).

Almost surely, 2^{10222120020020} is an apocalyptic number.

10222120020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222120020020 is an abundant number, since it is smaller than the sum of its proper divisors (11244332022064).

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

10222120020020 is a wasteful number, since it uses less digits than its factorization.

10222120020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511106001010 (or 511106001008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10222120020020 its reverse (2002002122201), we get a palindrome (12224122142221).

The spelling of 10222120020020 in words is "ten trillion, two hundred twenty-two billion, one hundred twenty million, twenty thousand, twenty".