10000020029 has 2 divisors, whose sum is σ = 10000020030. Its totient is φ = 10000020028.

The previous prime is 10000019989. The next prime is 10000020049. The reversal of 10000020029 is 92002000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9970022500 + 29997529 = 99850^2 + 5477^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000020029 - 2²⁰ = 9998971453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000019995 and 10000020022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000020049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000010014 + 5000010015.

It is an arithmetic number, because the mean of its divisors is an integer number (5000010015).

Almost surely, 2^10000020029 is an apocalyptic number.

It is an amenable number.

10000020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000020029 is an equidigital number, since it uses as much as digits as its factorization.

10000020029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The spelling of 10000020029 in words is "ten billion, twenty thousand, twenty-nine".