20359334349 has 6 divisors (see below), whose sum is σ = 29407927406. Its totient is φ = 13572889560.

The previous prime is 20359334339. The next prime is 20359334363. The reversal of 20359334349 is 94343395302.

20359334349 is a `hidden beast` number, since 20 + 3 + 593 + 3 + 4 + 34 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16820274249 + 3539060100 = 129693^2 + 59490^2 .

It is not a de Polignac number, because 20359334349 - 2²⁴ = 20342557133 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 (20359334329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1131074122 + ... + 1131074139.

Almost surely, 2^20359334349 is an apocalyptic number.

It is an amenable number.

20359334349 is a deficient number, since it is larger than the sum of its proper divisors (9048593057).

20359334349 is a wasteful number, since it uses less digits than its factorization.

20359334349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262148267 (or 2262148264 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 20359334349 in words is "twenty billion, three hundred fifty-nine million, three hundred thirty-four thousand, three hundred forty-nine".