20013130134 has 32 divisors (see below), whose sum is σ = 44481360000. Its totient is φ = 6669882792.

The previous prime is 20013130117. The next prime is 20013130153. The reversal of 20013130134 is 43103131002.

20013130134 is a `hidden beast` number, since 200 + 131 + 301 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315417 + ... + 373515.

It is an arithmetic number, because the mean of its divisors is an integer number (1390042500).

Almost surely, 2^20013130134 is an apocalyptic number.

20013130134 is an abundant number, since it is smaller than the sum of its proper divisors (24468229866).

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

20013130134 is a wasteful number, since it uses less digits than its factorization.

20013130134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64489 (or 64483 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20013130134 its reverse (43103131002), we get a palindrome (63116261136).

The spelling of 20013130134 in words is "twenty billion, thirteen million, one hundred thirty thousand, one hundred thirty-four".