20343355083 has 48 divisors (see below), whose sum is σ = 30423444480. Its totient is φ = 13091081472.

The previous prime is 20343355079. The next prime is 20343355127. The reversal of 20343355083 is 38055334302.

20343355083 is a `hidden beast` number, since 20 + 3 + 4 + 3 + 3 + 550 + 83 = 666.

It is not a de Polignac number, because 20343355083 - 2² = 20343355079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20343355033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28293598 + ... + 28294316.

It is an arithmetic number, because the mean of its divisors is an integer number (633821760).

Almost surely, 2^20343355083 is an apocalyptic number.

20343355083 is a deficient number, since it is larger than the sum of its proper divisors (10080089397).

20343355083 is a wasteful number, since it uses less digits than its factorization.

20343355083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 20343355083 its reverse (38055334302), we get a palindrome (58398689385).

The spelling of 20343355083 in words is "twenty billion, three hundred forty-three million, three hundred fifty-five thousand, eighty-three".