20051363433 has 16 divisors (see below), whose sum is σ = 27280281600. Its totient is φ = 13097594640.

The previous prime is 20051363419. The next prime is 20051363443. The reversal of 20051363433 is 33436315002.

It is not a de Polignac number, because 20051363433 - 2⁵ = 20051363401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20051363433.

It is not an unprimeable number, because it can be changed into a prime (20051363413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291873 + ... + 353966.

It is an arithmetic number, because the mean of its divisors is an integer number (1705017600).

Almost surely, 2^20051363433 is an apocalyptic number.

It is an amenable number.

20051363433 is a deficient number, since it is larger than the sum of its proper divisors (7228918167).

20051363433 is a wasteful number, since it uses less digits than its factorization.

20051363433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646052.

The product of its (nonzero) digits is 19440, while the sum is 30.

Adding to 20051363433 its reverse (33436315002), we get a palindrome (53487678435).

The spelling of 20051363433 in words is "twenty billion, fifty-one million, three hundred sixty-three thousand, four hundred thirty-three".