20124131342 has 12 divisors (see below), whose sum is σ = 35114555880. Its totient is φ = 8624627676.

The previous prime is 20124131303. The next prime is 20124131351. The reversal of 20124131342 is 24313142102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102674042 + ... + 102674237.

It is an arithmetic number, because the mean of its divisors is an integer number (2926212990).

Almost surely, 2^20124131342 is an apocalyptic number.

20124131342 is a deficient number, since it is larger than the sum of its proper divisors (14990424538).

20124131342 is a wasteful number, since it uses less digits than its factorization.

20124131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205348295 (or 205348288 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20124131342 its reverse (24313142102), we get a palindrome (44437273444).

The spelling of 20124131342 in words is "twenty billion, one hundred twenty-four million, one hundred thirty-one thousand, three hundred forty-two".