1000020029 has 2 divisors, whose sum is σ = 1000020030. Its totient is φ = 1000020028.

The previous prime is 1000020023. The next prime is 1000020107. The reversal of 1000020029 is 9200200001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900120004 + 99900025 = 30002^2 + 9995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000020029 - 2¹⁶ = 999954493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000019995 and 1000020022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500010014 + 500010015.

It is an arithmetic number, because the mean of its divisors is an integer number (500010015).

Almost surely, 2^1000020029 is an apocalyptic number.

It is an amenable number.

1000020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000020029 is an equidigital number, since it uses as much as digits as its factorization.

1000020029 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1000020029 is about 31623.0932863944. The cubic root of 1000020029 is about 1000.0066762888.

The spelling of 1000020029 in words is "one billion, twenty thousand, twenty-nine".