1220120020022 has 16 divisors (see below), whose sum is σ = 1869174850752. Its totient is φ = 597062497920.

The previous prime is 1220120019991. The next prime is 1220120020027. The reversal of 1220120020022 is 2200200210221.

It is a junction number, because it is equal to n+sod(n) for n = 1220120019979 and 1220120020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220120020027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387518 + ... + 3730350.

It is an arithmetic number, because the mean of its divisors is an integer number (116823428172).

Almost surely, 2^{1220120020022} is an apocalyptic number.

1220120020022 is a deficient number, since it is larger than the sum of its proper divisors (649054830730).

1220120020022 is a wasteful number, since it uses less digits than its factorization.

1220120020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380743.

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

Adding to 1220120020022 its reverse (2200200210221), we get a palindrome (3420320230243).

The spelling of 1220120020022 in words is "one trillion, two hundred twenty billion, one hundred twenty million, twenty thousand, twenty-two".