20220000021029 has 2 divisors, whose sum is σ = 20220000021030. Its totient is φ = 20220000021028.

The previous prime is 20220000020981. The next prime is 20220000021049. The reversal of 20220000021029 is 92012000002202.

It is an a-pointer prime, because the next prime (20220000021049) can be obtained adding 20220000021029 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16856994198529 + 3363005822500 = 4105727^2 + 1833850^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220000021029 - 2³⁶ = 20151280544293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20220000021029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220000021049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110000010514 + 10110000010515.

It is an arithmetic number, because the mean of its divisors is an integer number (10110000010515).

Almost surely, 2^{20220000021029} is an apocalyptic number.

It is an amenable number.

20220000021029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220000021029 is an equidigital number, since it uses as much as digits as its factorization.

20220000021029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 20220000021029 in words is "twenty trillion, two hundred twenty billion, twenty-one thousand, twenty-nine".