1220213132020 has 48 divisors (see below), whose sum is σ = 2714248631808. Its totient is φ = 459193387520.

The previous prime is 1220213131981. The next prime is 1220213132057. The reversal of 1220213132020 is 202313120221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158985 + ... + 1570255.

It is an arithmetic number, because the mean of its divisors is an integer number (56546846496).

Almost surely, 2^{1220213132020} is an apocalyptic number.

1220213132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220213132020 is an abundant number, since it is smaller than the sum of its proper divisors (1494035499788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220213132020 is a wasteful number, since it uses less digits than its factorization.

1220213132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413840 (or 1413838 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1220213132020 its reverse (202313120221), we get a palindrome (1422526252241).

The spelling of 1220213132020 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, one hundred thirty-two thousand, twenty".