1420203329 has 2 divisors, whose sum is σ = 1420203330. Its totient is φ = 1420203328.

The previous prime is 1420203311. The next prime is 1420203353. The reversal of 1420203329 is 9233020241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1402352704 + 17850625 = 37448^2 + 4225^2 .

It is an emirp because it is prime and its reverse (9233020241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1420203329 - 2¹² = 1420199233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420203298 and 1420203307.

It is not a weakly prime, because it can be changed into another prime (1420203359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710101664 + 710101665.

It is an arithmetic number, because the mean of its divisors is an integer number (710101665).

Almost surely, 2^1420203329 is an apocalyptic number.

It is an amenable number.

1420203329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420203329 is an equidigital number, since it uses as much as digits as its factorization.

1420203329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1420203329 is about 37685.5851619688. The cubic root of 1420203329 is about 1124.0445099267.

The spelling of 1420203329 in words is "one billion, four hundred twenty million, two hundred three thousand, three hundred twenty-nine".