20122221320030 has 16 divisors (see below), whose sum is σ = 36220594344480. Its totient is φ = 8048756090592.

The previous prime is 20122221320027. The next prime is 20122221320099. The reversal of 20122221320030 is 3002312222102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122221319984 and 20122221320011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15915365 + ... + 17133104.

It is an arithmetic number, because the mean of its divisors is an integer number (2263787146530).

Almost surely, 2^{20122221320030} is an apocalyptic number.

20122221320030 is a deficient number, since it is larger than the sum of its proper divisors (16098373024450).

20122221320030 is a wasteful number, since it uses less digits than its factorization.

20122221320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33109363.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20122221320030 its reverse (3002312222102), we get a palindrome (23124533542132).

The spelling of 20122221320030 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, three hundred twenty thousand, thirty".