20001000202134 has 32 divisors (see below), whose sum is σ = 46491429047040. Its totient is φ = 5617714341792.

The previous prime is 20001000202093. The next prime is 20001000202201. The reversal of 20001000202134 is 43120200010002.

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, 4035711849 + ... + 4035716804.

It is an arithmetic number, because the mean of its divisors is an integer number (1452857157720).

Almost surely, 2^{20001000202134} is an apocalyptic number.

20001000202134 is an abundant number, since it is smaller than the sum of its proper divisors (26490428844906).

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

20001000202134 is a wasteful number, since it uses less digits than its factorization.

20001000202134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071428724.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20001000202134 its reverse (43120200010002), we get a palindrome (63121200212136).

The spelling of 20001000202134 in words is "twenty trillion, one billion, two hundred two thousand, one hundred thirty-four".