1220000020022 has 16 divisors (see below), whose sum is σ = 2110974670080. Its totient is φ = 517970635368.

The previous prime is 1220000020021. The next prime is 1220000020039. The reversal of 1220000020022 is 2200200000221.

It is a junction number, because it is equal to n+sod(n) for n = 1220000019985 and 1220000020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220000020021) 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, 407208122 + ... + 407211117.

It is an arithmetic number, because the mean of its divisors is an integer number (131935916880).

Almost surely, 2^{1220000020022} is an apocalyptic number.

1220000020022 is a deficient number, since it is larger than the sum of its proper divisors (890974650058).

1220000020022 is a wasteful number, since it uses less digits than its factorization.

1220000020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814419355.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 1220000020022 its reverse (2200200000221), we get a palindrome (3420200020243).

The spelling of 1220000020022 in words is "one trillion, two hundred twenty billion, twenty thousand, twenty-two".