20002020029 has 2 divisors, whose sum is σ = 20002020030. Its totient is φ = 20002020028.

The previous prime is 20002020013. The next prime is 20002020079. The reversal of 20002020029 is 92002020002.

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., 19664452900 + 337567129 = 140230^2 + 18373^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002020029 - 2⁴ = 20002020013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002019989 and 20002020016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002020079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001010014 + 10001010015.

It is an arithmetic number, because the mean of its divisors is an integer number (10001010015).

Almost surely, 2^20002020029 is an apocalyptic number.

It is an amenable number.

20002020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002020029 is an equidigital number, since it uses as much as digits as its factorization.

20002020029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The spelling of 20002020029 in words is "twenty billion, two million, twenty thousand, twenty-nine".