20100796829 has 2 divisors, whose sum is σ = 20100796830. Its totient is φ = 20100796828.

The previous prime is 20100796819. The next prime is 20100796861. The reversal of 20100796829 is 92869700102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17948764729 + 2152032100 = 133973^2 + 46390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20100796829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20100796829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100796819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050398414 + 10050398415.

It is an arithmetic number, because the mean of its divisors is an integer number (10050398415).

Almost surely, 2^20100796829 is an apocalyptic number.

It is an amenable number.

20100796829 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100796829 is an equidigital number, since it uses as much as digits as its factorization.

20100796829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 20100796829 in words is "twenty billion, one hundred million, seven hundred ninety-six thousand, eight hundred twenty-nine".