20134421039 has 8 divisors (see below), whose sum is σ = 20565147648. Its totient is φ = 19703791800.

The previous prime is 20134421033. The next prime is 20134421059. The reversal of 20134421039 is 93012443102.

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

It is a cyclic number.

It is not a de Polignac number, because 20134421039 - 2²⁰ = 20133372463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134421033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524354 + ... + 561440.

It is an arithmetic number, because the mean of its divisors is an integer number (2570643456).

Almost surely, 2^20134421039 is an apocalyptic number.

20134421039 is a deficient number, since it is larger than the sum of its proper divisors (430726609).

20134421039 is a wasteful number, since it uses less digits than its factorization.

20134421039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48685.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 20134421039 in words is "twenty billion, one hundred thirty-four million, four hundred twenty-one thousand, thirty-nine".