20134021342 has 16 divisors (see below), whose sum is σ = 31295723760. Its totient is φ = 9703297408.

The previous prime is 20134021339. The next prime is 20134021361. The reversal of 20134021342 is 24312043102.

It is a super-2 number, since 2×20134021342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261643 + ... + 329734.

It is an arithmetic number, because the mean of its divisors is an integer number (1955982735).

Almost surely, 2^20134021342 is an apocalyptic number.

20134021342 is a deficient number, since it is larger than the sum of its proper divisors (11161702418).

20134021342 is a wasteful number, since it uses less digits than its factorization.

20134021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591995.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20134021342 its reverse (24312043102), we get a palindrome (44446064444).

The spelling of 20134021342 in words is "twenty billion, one hundred thirty-four million, twenty-one thousand, three hundred forty-two".