1122020033 has 4 divisors (see below), whose sum is σ = 1122336768. Its totient is φ = 1121703300.

The previous prime is 1122020023. The next prime is 1122020041. The reversal of 1122020033 is 3300202211.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1122020033 - 2¹⁰ = 1122019009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122020023) 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, 152993 + ... + 160158.

It is an arithmetic number, because the mean of its divisors is an integer number (280584192).

Almost surely, 2^1122020033 is an apocalyptic number.

It is an amenable number.

1122020033 is a deficient number, since it is larger than the sum of its proper divisors (316735).

1122020033 is an equidigital number, since it uses as much as digits as its factorization.

1122020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316734.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1122020033 is about 33496.5674808629. The cubic root of 1122020033 is about 1039.1227911889.

Adding to 1122020033 its reverse (3300202211), we get a palindrome (4422222244).

The spelling of 1122020033 in words is "one billion, one hundred twenty-two million, twenty thousand, thirty-three".