2000021029 has 2 divisors, whose sum is σ = 2000021030. Its totient is φ = 2000021028.

The previous prime is 2000021011. The next prime is 2000021039. The reversal of 2000021029 is 9201200002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1789713025 + 210308004 = 42305^2 + 14502^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000021029 - 2²¹ = 1997923877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000021039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000010514 + 1000010515.

It is an arithmetic number, because the mean of its divisors is an integer number (1000010515).

Almost surely, 2^2000021029 is an apocalyptic number.

It is an amenable number.

2000021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000021029 is an equidigital number, since it uses as much as digits as its factorization.

2000021029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2000021029 is about 44721.5946607453. The cubic root of 2000021029 is about 1259.9254656927.

The spelling of 2000021029 in words is "two billion, twenty-one thousand, twenty-nine".