1022020159 has 2 divisors, whose sum is σ = 1022020160. Its totient is φ = 1022020158.

The previous prime is 1022020151. The next prime is 1022020177. The reversal of 1022020159 is 9510202201.

It is a weak prime.

It is an emirp because it is prime and its reverse (9510202201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022020159 - 2³ = 1022020151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022020151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511010079 + 511010080.

It is an arithmetic number, because the mean of its divisors is an integer number (511010080).

Almost surely, 2^1022020159 is an apocalyptic number.

1022020159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022020159 is an equidigital number, since it uses as much as digits as its factorization.

1022020159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1022020159 is about 31969.0500171650. The cubic root of 1022020159 is about 1007.2868261925.

The spelling of 1022020159 in words is "one billion, twenty-two million, twenty thousand, one hundred fifty-nine".