20383074377 has 8 divisors (see below), whose sum is σ = 20799499464. Its totient is φ = 19967828608.

The previous prime is 20383074331. The next prime is 20383074379. The reversal of 20383074377 is 77347038302.

It can be written as a sum of positive squares in 4 ways, for example, as 564347536 + 19818726841 = 23756^2 + 140779^2 .

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 20383074377 - 2²⁰ = 20382025801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20383074379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259868 + ... + 329085.

It is an arithmetic number, because the mean of its divisors is an integer number (2599937433).

Almost surely, 2^20383074377 is an apocalyptic number.

It is an amenable number.

20383074377 is a deficient number, since it is larger than the sum of its proper divisors (416425087).

20383074377 is an equidigital number, since it uses as much as digits as its factorization.

20383074377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589659.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 20383074377 in words is "twenty billion, three hundred eighty-three million, seventy-four thousand, three hundred seventy-seven".