1320023320078 has 16 divisors (see below), whose sum is σ = 2026685928960. Its totient is φ = 644470489656.

The previous prime is 1320023319997. The next prime is 1320023320079. The reversal of 1320023320078 is 8700233200231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320023320079) 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, 1995900 + ... + 2573647.

It is an arithmetic number, because the mean of its divisors is an integer number (126667870560).

Almost surely, 2^{1320023320078} is an apocalyptic number.

1320023320078 is a deficient number, since it is larger than the sum of its proper divisors (706662608882).

1320023320078 is a wasteful number, since it uses less digits than its factorization.

1320023320078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572951.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 1320023320078 in words is "one trillion, three hundred twenty billion, twenty-three million, three hundred twenty thousand, seventy-eight".