20350253534011 has 32 divisors (see below), whose sum is σ = 21047624672256. Its totient is φ = 19663537152000.

The previous prime is 20350253533963. The next prime is 20350253534021. The reversal of 20350253534011 is 11043535205302.

It is a cyclic number.

It is not a de Polignac number, because 20350253534011 - 2²³ = 20350245145403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20350253534021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2008309701 + ... + 2008319833.

It is an arithmetic number, because the mean of its divisors is an integer number (657738271008).

Almost surely, 2^{20350253534011} is an apocalyptic number.

20350253534011 is a deficient number, since it is larger than the sum of its proper divisors (697371138245).

20350253534011 is a wasteful number, since it uses less digits than its factorization.

20350253534011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11463.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 20350253534011 its reverse (11043535205302), we get a palindrome (31393788739313).

The spelling of 20350253534011 in words is "twenty trillion, three hundred fifty billion, two hundred fifty-three million, five hundred thirty-four thousand, eleven".