20126037742 has 16 divisors (see below), whose sum is σ = 31010746032. Its totient is φ = 9789223680.

The previous prime is 20126037719. The next prime is 20126037769. The reversal of 20126037742 is 24773062102.

It is a junction number, because it is equal to n+sod(n) for n = 20126037698 and 20126037707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430117 + ... + 474607.

It is an arithmetic number, because the mean of its divisors is an integer number (1938171627).

Almost surely, 2^20126037742 is an apocalyptic number.

20126037742 is a deficient number, since it is larger than the sum of its proper divisors (10884708290).

20126037742 is a wasteful number, since it uses less digits than its factorization.

20126037742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50643.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 20126037742 its reverse (24773062102), we get a palindrome (44899099844).

The spelling of 20126037742 in words is "twenty billion, one hundred twenty-six million, thirty-seven thousand, seven hundred forty-two".