20013100134 has 16 divisors (see below), whose sum is σ = 40247341680. Its totient is φ = 6634176480.

The previous prime is 20013100109. The next prime is 20013100171. The reversal of 20013100134 is 43100131002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9213049 + ... + 9215220.

It is an arithmetic number, because the mean of its divisors is an integer number (2515458855).

Almost surely, 2^20013100134 is an apocalyptic number.

20013100134 is an abundant number, since it is smaller than the sum of its proper divisors (20234241546).

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

20013100134 is a wasteful number, since it uses less digits than its factorization.

20013100134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18428455.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20013100134 its reverse (43100131002), we get a palindrome (63113231136).

The spelling of 20013100134 in words is "twenty billion, thirteen million, one hundred thousand, one hundred thirty-four".