20000002134 has 64 divisors (see below), whose sum is σ = 47750077440. Its totient is φ = 5463642240.

The previous prime is 20000002111. The next prime is 20000002157. The reversal of 20000002134 is 43120000002.

It is an interprime number because it is at equal distance from previous prime (20000002111) and next prime (20000002157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45744 + ... + 205164.

It is an arithmetic number, because the mean of its divisors is an integer number (746094960).

Almost surely, 2^20000002134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000002134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23875038720).

20000002134 is an abundant number, since it is smaller than the sum of its proper divisors (27750075306).

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

20000002134 is a wasteful number, since it uses less digits than its factorization.

20000002134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159565.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20000002134 its reverse (43120000002), we get a palindrome (63120002136).

The spelling of 20000002134 in words is "twenty billion, two thousand, one hundred thirty-four".