20202030433 has 4 divisors (see below), whose sum is σ = 21756032788. Its totient is φ = 18648028080.

The previous prime is 20202030419. The next prime is 20202030467. The reversal of 20202030433 is 33403020202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33403020202 = 2 ⋅16701510101.

It can be written as a sum of positive squares in 2 ways, for example, as 934647184 + 19267383249 = 30572^2 + 138807^2 .

It is a cyclic number.

It is not a de Polignac number, because 20202030433 - 2¹³ = 20202022241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202030433.

It is not an unprimeable number, because it can be changed into a prime (20202030133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777001158 + ... + 777001183.

It is an arithmetic number, because the mean of its divisors is an integer number (5439008197).

Almost surely, 2^20202030433 is an apocalyptic number.

It is an amenable number.

20202030433 is a deficient number, since it is larger than the sum of its proper divisors (1554002355).

20202030433 is a wasteful number, since it uses less digits than its factorization.

20202030433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554002354.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20202030433 its reverse (33403020202), we get a palindrome (53605050635).

The spelling of 20202030433 in words is "twenty billion, two hundred two million, thirty thousand, four hundred thirty-three".