42030202033 has 4 divisors (see below), whose sum is σ = 42033027060. Its totient is φ = 42027377008.

The previous prime is 42030202031. The next prime is 42030202061. The reversal of 42030202033 is 33020203024.

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 8132973489 + 33897228544 = 90183^2 + 184112^2 .

It is a cyclic number.

It is not a de Polignac number, because 42030202033 - 2¹ = 42030202031 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 42030202033.

It is not an unprimeable number, because it can be changed into a prime (42030202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390078 + ... + 1419991.

It is an arithmetic number, because the mean of its divisors is an integer number (10508256765).

Almost surely, 2^42030202033 is an apocalyptic number.

It is an amenable number.

42030202033 is a deficient number, since it is larger than the sum of its proper divisors (2825027).

42030202033 is a wasteful number, since it uses less digits than its factorization.

42030202033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825026.

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

Adding to 42030202033 its reverse (33020203024), we get a palindrome (75050405057).

Subtracting from 42030202033 its reverse (33020203024), we obtain a palindrome (9009999009).

The spelling of 42030202033 in words is "forty-two billion, thirty million, two hundred two thousand, thirty-three".