1220120332030 has 64 divisors (see below), whose sum is σ = 2273159142720. Its totient is φ = 471165133824.

The previous prime is 1220120332019. The next prime is 1220120332147. The reversal of 1220120332030 is 302330210221.

It is a junction number, because it is equal to n+sod(n) for n = 1220120331989 and 1220120332007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37194876 + ... + 37227664.

It is an arithmetic number, because the mean of its divisors is an integer number (35518111605).

Almost surely, 2^{1220120332030} is an apocalyptic number.

1220120332030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220120332030 is a deficient number, since it is larger than the sum of its proper divisors (1053038810690).

1220120332030 is a wasteful number, since it uses less digits than its factorization.

1220120332030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33613.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1220120332030 its reverse (302330210221), we get a palindrome (1522450542251).

The spelling of 1220120332030 in words is "one trillion, two hundred twenty billion, one hundred twenty million, three hundred thirty-two thousand, thirty".