20313130550535 has 12 divisors (see below), whose sum is σ = 35209426287672. Its totient is φ = 10833669626928.

The previous prime is 20313130550507. The next prime is 20313130550599. The reversal of 20313130550535 is 53505503131302.

20313130550535 is a `hidden beast` number, since 2 + 0 + 3 + 13 + 130 + 5 + 505 + 3 + 5 = 666.

It is not a de Polignac number, because 20313130550535 - 2¹⁰ = 20313130549511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20313130550535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225701450517 + ... + 225701450606.

It is an arithmetic number, because the mean of its divisors is an integer number (2934118857306).

Almost surely, 2^{20313130550535} is an apocalyptic number.

20313130550535 is a deficient number, since it is larger than the sum of its proper divisors (14896295737137).

20313130550535 is a wasteful number, since it uses less digits than its factorization.

20313130550535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451402901134 (or 451402901131 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 36.

Adding to 20313130550535 its reverse (53505503131302), we get a palindrome (73818633681837).

The spelling of 20313130550535 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty million, five hundred fifty thousand, five hundred thirty-five".