1420216033 has 4 divisors (see below), whose sum is σ = 1420357680. Its totient is φ = 1420074388.

The previous prime is 1420215991. The next prime is 1420216079. The reversal of 1420216033 is 3306120241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3306120241 = 2113 ⋅1564657.

It is a cyclic number.

It is not a de Polignac number, because 1420216033 - 2²⁹ = 883345121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420215995 and 1420216013.

It is not an unprimeable number, because it can be changed into a prime (1420216433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54535 + ... + 76252.

It is an arithmetic number, because the mean of its divisors is an integer number (355089420).

Almost surely, 2^1420216033 is an apocalyptic number.

It is an amenable number.

1420216033 is a deficient number, since it is larger than the sum of its proper divisors (141647).

1420216033 is a wasteful number, since it uses less digits than its factorization.

1420216033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141646.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1420216033 is about 37685.7537141026. The cubic root of 1420216033 is about 1124.0478615170.

Adding to 1420216033 its reverse (3306120241), we get a palindrome (4726336274).

The spelling of 1420216033 in words is "one billion, four hundred twenty million, two hundred sixteen thousand, thirty-three".