1320422310 has 80 divisors (see below), whose sum is σ = 3564845856. Its totient is φ = 350687232.

The previous prime is 1320422273. The next prime is 1320422329. The reversal of 1320422310 is 132240231.

It is a super-2 number, since 2×1320422310² = 3487030153491472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 204999 + ... + 211341.

Almost surely, 2^1320422310 is an apocalyptic number.

1320422310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320422310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782422928).

1320422310 is an abundant number, since it is smaller than the sum of its proper divisors (2244423546).

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

1320422310 is a wasteful number, since it uses less digits than its factorization.

1320422310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619 (or 6610 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1320422310 is about 36337.6156344909. The cubic root of 1320422310 is about 1097.0782822886.

Adding to 1320422310 its reverse (132240231), we get a palindrome (1452662541).

The spelling of 1320422310 in words is "one billion, three hundred twenty million, four hundred twenty-two thousand, three hundred ten".