1320042205 has 8 divisors (see below), whose sum is σ = 1604102400. Its totient is φ = 1042665936.

The previous prime is 1320042203. The next prime is 1320042239. The reversal of 1320042205 is 5022400231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320042205 - 2¹ = 1320042203 is a prime.

It is a super-2 number, since 2×1320042205² = 3485022845962524050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320042203) 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, 1670545 + ... + 1671334.

It is an arithmetic number, because the mean of its divisors is an integer number (200512800).

Almost surely, 2^1320042205 is an apocalyptic number.

It is an amenable number.

1320042205 is a deficient number, since it is larger than the sum of its proper divisors (284060195).

1320042205 is an equidigital number, since it uses as much as digits as its factorization.

1320042205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341963.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1320042205 is about 36332.3850717235. The cubic root of 1320042205 is about 1096.9730015872.

Adding to 1320042205 its reverse (5022400231), we get a palindrome (6342442436).

The spelling of 1320042205 in words is "one billion, three hundred twenty million, forty-two thousand, two hundred five".