20220009889049 has 2 divisors, whose sum is σ = 20220009889050. Its totient is φ = 20220009889048.

The previous prime is 20220009889033. The next prime is 20220009889069. The reversal of 20220009889049 is 94098890002202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20217226271449 + 2783617600 = 4496357^2 + 52760^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220009889049 - 2⁴ = 20220009889033 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220009889069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110004944524 + 10110004944525.

It is an arithmetic number, because the mean of its divisors is an integer number (10110004944525).

Almost surely, 2^{20220009889049} is an apocalyptic number.

It is an amenable number.

20220009889049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220009889049 is an equidigital number, since it uses as much as digits as its factorization.

20220009889049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 20220009889049 in words is "twenty trillion, two hundred twenty billion, nine million, eight hundred eighty-nine thousand, forty-nine".