1320211420 has 24 divisors (see below), whose sum is σ = 3024484848. Its totient is φ = 480076800.

The previous prime is 1320211367. The next prime is 1320211421. The reversal of 1320211420 is 241120231.

It is a junction number, because it is equal to n+sod(n) for n = 1320211394 and 1320211403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320211421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3000261 + ... + 3000700.

It is an arithmetic number, because the mean of its divisors is an integer number (126020202).

Almost surely, 2^1320211420 is an apocalyptic number.

1320211420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320211420 is an abundant number, since it is smaller than the sum of its proper divisors (1704273428).

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

1320211420 is a wasteful number, since it uses less digits than its factorization.

1320211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000981 (or 6000979 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1320211420 is about 36334.7137046654. The cubic root of 1320211420 is about 1097.0198729056.

Adding to 1320211420 its reverse (241120231), we get a palindrome (1561331651).

The spelling of 1320211420 in words is "one billion, three hundred twenty million, two hundred eleven thousand, four hundred twenty".