20334808449 has 6 divisors (see below), whose sum is σ = 29372501106. Its totient is φ = 13556538960.

The previous prime is 20334808447. The next prime is 20334808457. The reversal of 20334808449 is 94480843302.

20334808449 is a `hidden beast` number, since 20 + 33 + 480 + 84 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13301470224 + 7033338225 = 115332^2 + 83865^2 .

It is not a de Polignac number, because 20334808449 - 2¹ = 20334808447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20334808447) 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, 1129711572 + ... + 1129711589.

It is an arithmetic number, because the mean of its divisors is an integer number (4895416851).

Almost surely, 2^20334808449 is an apocalyptic number.

It is an amenable number.

20334808449 is a deficient number, since it is larger than the sum of its proper divisors (9037692657).

20334808449 is a wasteful number, since it uses less digits than its factorization.

20334808449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259423167 (or 2259423164 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 20334808449 in words is "twenty billion, three hundred thirty-four million, eight hundred eight thousand, four hundred forty-nine".