1320401210 has 16 divisors (see below), whose sum is σ = 2378267136. Its totient is φ = 527817168.

The previous prime is 1320401191. The next prime is 1320401213. The reversal of 1320401210 is 121040231.

It is not an unprimeable number, because it can be changed into a prime (1320401213) 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, 26462 + ... + 57801.

It is an arithmetic number, because the mean of its divisors is an integer number (148641696).

Almost surely, 2^1320401210 is an apocalyptic number.

1320401210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320401210 is a deficient number, since it is larger than the sum of its proper divisors (1057865926).

1320401210 is a wasteful number, since it uses less digits than its factorization.

1320401210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85837.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1320401210 is about 36337.3253005776. The cubic root of 1320401210 is about 1097.0724385837.

Adding to 1320401210 its reverse (121040231), we get a palindrome (1441441441).

The spelling of 1320401210 in words is "one billion, three hundred twenty million, four hundred one thousand, two hundred ten".