20134021142 has 8 divisors (see below), whose sum is σ = 30202875336. Its totient is φ = 10066396032.

The previous prime is 20134021097. The next prime is 20134021153. The reversal of 20134021142 is 24112043102.

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

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, 265163 + ... + 332534.

It is an arithmetic number, because the mean of its divisors is an integer number (3775359417).

Almost surely, 2^20134021142 is an apocalyptic number.

20134021142 is a deficient number, since it is larger than the sum of its proper divisors (10068854194).

20134021142 is a wasteful number, since it uses less digits than its factorization.

20134021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614542.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20134021142 its reverse (24112043102), we get a palindrome (44246064244).

The spelling of 20134021142 in words is "twenty billion, one hundred thirty-four million, twenty-one thousand, one hundred forty-two".