1320100033 has 24 divisors (see below), whose sum is σ = 1560796800. Its totient is φ = 1113079968.

The previous prime is 1320100021. The next prime is 1320100049. The reversal of 1320100033 is 3300010231.

It is not a de Polignac number, because 1320100033 - 2¹³ = 1320091841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320099986 and 1320100022.

It is not an unprimeable number, because it can be changed into a prime (1320100003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1536358 + ... + 1537216.

It is an arithmetic number, because the mean of its divisors is an integer number (65033200).

Almost surely, 2^1320100033 is an apocalyptic number.

It is an amenable number.

1320100033 is a deficient number, since it is larger than the sum of its proper divisors (240696767).

1320100033 is an equidigital number, since it uses as much as digits as its factorization.

1320100033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1320100033 is about 36333.1808819432. The cubic root of 1320100033 is about 1096.9890199711.

Adding to 1320100033 its reverse (3300010231), we get a palindrome (4620110264).

The spelling of 1320100033 in words is "one billion, three hundred twenty million, one hundred thousand, thirty-three".