20382837394 has 8 divisors (see below), whose sum is σ = 30615969420. Its totient is φ = 10177514256.

The previous prime is 20382837353. The next prime is 20382837443. The reversal of 20382837394 is 49373828302.

20382837394 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17321981769 + 3060855625 = 131613^2 + 55325^2 .

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

It is a super-2 number, since 2×20382837394² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6950389 + ... + 6953320.

Almost surely, 2^20382837394 is an apocalyptic number.

20382837394 is a deficient number, since it is larger than the sum of its proper divisors (10233132026).

20382837394 is a wasteful number, since it uses less digits than its factorization.

20382837394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904444.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 20382837394 in words is "twenty billion, three hundred eighty-two million, eight hundred thirty-seven thousand, three hundred ninety-four".