1033420221433 has 4 divisors (see below), whose sum is σ = 1033422940660. Its totient is φ = 1033417502208.

The previous prime is 1033420221419. The next prime is 1033420221451. The reversal of 1033420221433 is 3341220243301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 581119585344 + 452300636089 = 762312^2 + 672533^2 .

It is a cyclic number.

It is not a de Polignac number, because 1033420221433 - 2²¹ = 1033418124281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1033420221733) 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, 674460 + ... + 1587997.

It is an arithmetic number, because the mean of its divisors is an integer number (258355735165).

Almost surely, 2^{1033420221433} is an apocalyptic number.

It is an amenable number.

1033420221433 is a deficient number, since it is larger than the sum of its proper divisors (2719227).

1033420221433 is an equidigital number, since it uses as much as digits as its factorization.

1033420221433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719226.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1033420221433 its reverse (3341220243301), we get a palindrome (4374640464734).

The spelling of 1033420221433 in words is "one trillion, thirty-three billion, four hundred twenty million, two hundred twenty-one thousand, four hundred thirty-three".