1320920607407 has 8 divisors (see below), whose sum is σ = 1342845650592. Its totient is φ = 1299004293600.

The previous prime is 1320920607401. The next prime is 1320920607421. The reversal of 1320920607407 is 7047060290231.

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 1320920607407 - 2²⁰ = 1320919558831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320920607401) 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, 1876844 + ... + 2482817.

It is an arithmetic number, because the mean of its divisors is an integer number (167855706324).

Almost surely, 2^{1320920607407} is an apocalyptic number.

1320920607407 is a deficient number, since it is larger than the sum of its proper divisors (21925043185).

1320920607407 is an equidigital number, since it uses as much as digits as its factorization.

1320920607407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364689.

The product of its (nonzero) digits is 127008, while the sum is 41.

Adding to 1320920607407 its reverse (7047060290231), we get a palindrome (8367980897638).

The spelling of 1320920607407 in words is "one trillion, three hundred twenty billion, nine hundred twenty million, six hundred seven thousand, four hundred seven".