20120033 has 4 divisors (see below), whose sum is σ = 20420400. Its totient is φ = 19819668.

The previous prime is 20120029. The next prime is 20120047. The reversal of 20120033 is 33002102.

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 20120033 - 2² = 20120029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20119996 and 20120023.

It is not an unprimeable number, because it can be changed into a prime (20120063) 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, 150083 + ... + 150216.

It is an arithmetic number, because the mean of its divisors is an integer number (5105100).

Almost surely, 2^20120033 is an apocalyptic number.

It is an amenable number.

20120033 is a deficient number, since it is larger than the sum of its proper divisors (300367).

20120033 is an equidigital number, since it uses as much as digits as its factorization.

20120033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300366.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20120033 is about 4485.5359768928. The cubic root of 20120033 is about 271.9837117193.

Adding to 20120033 its reverse (33002102), we get a palindrome (53122135).

The spelling of 20120033 in words is "twenty million, one hundred twenty thousand, thirty-three".