20142103837 has 2 divisors, whose sum is σ = 20142103838. Its totient is φ = 20142103836.

The previous prime is 20142103823. The next prime is 20142103853. The reversal of 20142103837 is 73830124102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14206017721 + 5936086116 = 119189^2 + 77046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20142103837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20142103799 and 20142103808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20142103867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071051918 + 10071051919.

It is an arithmetic number, because the mean of its divisors is an integer number (10071051919).

Almost surely, 2^20142103837 is an apocalyptic number.

It is an amenable number.

20142103837 is a deficient number, since it is larger than the sum of its proper divisors (1).

20142103837 is an equidigital number, since it uses as much as digits as its factorization.

20142103837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 20142103837 its reverse (73830124102), we get a palindrome (93972227939).

The spelling of 20142103837 in words is "twenty billion, one hundred forty-two million, one hundred three thousand, eight hundred thirty-seven".