20221301029 has 2 divisors, whose sum is σ = 20221301030. Its totient is φ = 20221301028.

The previous prime is 20221301017. The next prime is 20221301077. The reversal of 20221301029 is 92010312202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15251756004 + 4969545025 = 123498^2 + 70495^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221301029 - 2⁵ = 20221300997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221301129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110650514 + 10110650515.

It is an arithmetic number, because the mean of its divisors is an integer number (10110650515).

Almost surely, 2^20221301029 is an apocalyptic number.

It is an amenable number.

20221301029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221301029 is an equidigital number, since it uses as much as digits as its factorization.

20221301029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 20221301029 in words is "twenty billion, two hundred twenty-one million, three hundred one thousand, twenty-nine".