20504511136014 has 32 divisors (see below), whose sum is σ = 41636284108416. Its totient is φ = 6730367851680.

The previous prime is 20504511135929. The next prime is 20504511136033. The reversal of 20504511136014 is 41063111540502.

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, 8202432 + ... + 10406195.

It is an arithmetic number, because the mean of its divisors is an integer number (1301133878388).

Almost surely, 2^{20504511136014} is an apocalyptic number.

20504511136014 is an abundant number, since it is smaller than the sum of its proper divisors (21131772972402).

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

20504511136014 is a wasteful number, since it uses less digits than its factorization.

20504511136014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18611440.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 20504511136014 its reverse (41063111540502), we get a palindrome (61567622676516).

The spelling of 20504511136014 in words is "twenty trillion, five hundred four billion, five hundred eleven million, one hundred thirty-six thousand, fourteen".