1220020120022 has 16 divisors (see below), whose sum is σ = 1999653346512. Its totient is φ = 553649937120.

The previous prime is 1220020120003. The next prime is 1220020120091. The reversal of 1220020120022 is 2200210200221.

It is a junction number, because it is equal to n+sod(n) for n = 1220020119979 and 1220020120006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45219353 + ... + 45246324.

It is an arithmetic number, because the mean of its divisors is an integer number (124978334157).

Almost surely, 2^{1220020120022} is an apocalyptic number.

1220020120022 is a deficient number, since it is larger than the sum of its proper divisors (779633226490).

1220020120022 is a wasteful number, since it uses less digits than its factorization.

1220020120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90466303.

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

Adding to 1220020120022 its reverse (2200210200221), we get a palindrome (3420230320243).

The spelling of 1220020120022 in words is "one trillion, two hundred twenty billion, twenty million, one hundred twenty thousand, twenty-two".