20012311402134 has 8 divisors (see below), whose sum is σ = 40024622804280. Its totient is φ = 6670770467376.

The previous prime is 20012311402099. The next prime is 20012311402141. The reversal of 20012311402134 is 43120411321002.

It is a sphenic number, since it is the product of 3 distinct primes.

20012311402134 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667692616839 + ... + 1667692616850.

It is an arithmetic number, because the mean of its divisors is an integer number (5003077850535).

Almost surely, 2^{20012311402134} is an apocalyptic number.

20012311402134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20012311402134 is a wasteful number, since it uses less digits than its factorization.

20012311402134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335385233694.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20012311402134 its reverse (43120411321002), we get a palindrome (63132722723136).

The spelling of 20012311402134 in words is "twenty trillion, twelve billion, three hundred eleven million, four hundred two thousand, one hundred thirty-four".