20530034653134 has 32 divisors (see below), whose sum is σ = 41558589152640. Its totient is φ = 6760273403232.

The previous prime is 20530034653127. The next prime is 20530034653157. The reversal of 20530034653134 is 43135643003502.

It is a junction number, because it is equal to n+sod(n) for n = 20530034653092 and 20530034653101.

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, 3543189 + ... + 7322175.

It is an arithmetic number, because the mean of its divisors is an integer number (1298705911020).

Almost surely, 2^{20530034653134} is an apocalyptic number.

20530034653134 is an abundant number, since it is smaller than the sum of its proper divisors (21028554499506).

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

20530034653134 is a wasteful number, since it uses less digits than its factorization.

20530034653134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789984.

The product of its (nonzero) digits is 388800, while the sum is 39.

Adding to 20530034653134 its reverse (43135643003502), we get a palindrome (63665677656636).

The spelling of 20530034653134 in words is "twenty trillion, five hundred thirty billion, thirty-four million, six hundred fifty-three thousand, one hundred thirty-four".