20334186360421 has 4 divisors (see below), whose sum is σ = 21404406695200. Its totient is φ = 19263966025644.

The previous prime is 20334186360419. The next prime is 20334186360541. The reversal of 20334186360421 is 12406368143302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20334186360421 - 2¹ = 20334186360419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334186360401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535110167361 + ... + 535110167398.

It is an arithmetic number, because the mean of its divisors is an integer number (5351101673800).

Almost surely, 2^{20334186360421} is an apocalyptic number.

It is an amenable number.

20334186360421 is a deficient number, since it is larger than the sum of its proper divisors (1070220334779).

20334186360421 is a wasteful number, since it uses less digits than its factorization.

20334186360421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070220334778.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 20334186360421 in words is "twenty trillion, three hundred thirty-four billion, one hundred eighty-six million, three hundred sixty thousand, four hundred twenty-one".