20220031033 has 4 divisors (see below), whose sum is σ = 20220502500. Its totient is φ = 20219559568.

The previous prime is 20220031031. The next prime is 20220031057. The reversal of 20220031033 is 33013002202.

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 10016606889 + 10203424144 = 100083^2 + 101012^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220031033 - 2¹ = 20220031031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220030998 and 20220031016.

It is not an unprimeable number, because it can be changed into a prime (20220031031) 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, 164158 + ... + 259591.

It is an arithmetic number, because the mean of its divisors is an integer number (5055125625).

Almost surely, 2^20220031033 is an apocalyptic number.

It is an amenable number.

20220031033 is a deficient number, since it is larger than the sum of its proper divisors (471467).

20220031033 is an equidigital number, since it uses as much as digits as its factorization.

20220031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471466.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20220031033 its reverse (33013002202), we get a palindrome (53233033235).

The spelling of 20220031033 in words is "twenty billion, two hundred twenty million, thirty-one thousand, thirty-three".