20005349496 has 64 divisors (see below), whose sum is σ = 54582353280. Its totient is φ = 6059748480.

The previous prime is 20005349479. The next prime is 20005349503. The reversal of 20005349496 is 69494350002.

It is a super-3 number, since 3×20005349496³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692575 + ... + 720881.

It is an arithmetic number, because the mean of its divisors is an integer number (852849270).

Almost surely, 2^20005349496 is an apocalyptic number.

It is an amenable number.

20005349496 is an abundant number, since it is smaller than the sum of its proper divisors (34577003784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20005349496 is a wasteful number, since it uses less digits than its factorization.

20005349496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31004 (or 31000 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

Adding to 20005349496 its reverse (69494350002), we get a palindrome (89499699498).

The spelling of 20005349496 in words is "twenty billion, five million, three hundred forty-nine thousand, four hundred ninety-six".