1020219023069 has 2 divisors, whose sum is σ = 1020219023070. Its totient is φ = 1020219023068.

The previous prime is 1020219023023. The next prime is 1020219023081. The reversal of 1020219023069 is 9603209120201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 919134451225 + 101084571844 = 958715^2 + 317938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020219023069 is a prime.

It is a super-2 number, since 2×1020219023069² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020219023009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510109511534 + 510109511535.

It is an arithmetic number, because the mean of its divisors is an integer number (510109511535).

Almost surely, 2^{1020219023069} is an apocalyptic number.

It is an amenable number.

1020219023069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020219023069 is an equidigital number, since it uses as much as digits as its factorization.

1020219023069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 1020219023069 in words is "one trillion, twenty billion, two hundred nineteen million, twenty-three thousand, sixty-nine".