20366703349 has 4 divisors (see below), whose sum is σ = 20670684064. Its totient is φ = 20062722636.

The previous prime is 20366703337. The next prime is 20366703353. The reversal of 20366703349 is 94330766302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20366703349 - 2⁷ = 20366703221 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 (20366703319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151990257 + ... + 151990390.

It is an arithmetic number, because the mean of its divisors is an integer number (5167671016).

Almost surely, 2^20366703349 is an apocalyptic number.

It is an amenable number.

20366703349 is a deficient number, since it is larger than the sum of its proper divisors (303980715).

20366703349 is an equidigital number, since it uses as much as digits as its factorization.

20366703349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303980714.

The product of its (nonzero) digits is 489888, while the sum is 43.

The spelling of 20366703349 in words is "twenty billion, three hundred sixty-six million, seven hundred three thousand, three hundred forty-nine".