1320000019995 has 16 divisors (see below), whose sum is σ = 2131738352640. Its totient is φ = 697420570464.

The previous prime is 1320000019937. The next prime is 1320000020021. The reversal of 1320000019995 is 5999100000231.

It is not a de Polignac number, because 1320000019995 - 2¹⁷ = 1319999888923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411213355 + ... + 411216564.

It is an arithmetic number, because the mean of its divisors is an integer number (133233647040).

Almost surely, 2^{1320000019995} is an apocalyptic number.

1320000019995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1320000019995 is a deficient number, since it is larger than the sum of its proper divisors (811738332645).

1320000019995 is a wasteful number, since it uses less digits than its factorization.

1320000019995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822430034.

The product of its (nonzero) digits is 21870, while the sum is 39.

The spelling of 1320000019995 in words is "one trillion, three hundred twenty billion, nineteen thousand, nine hundred ninety-five".