202420221230433 has 4 divisors (see below), whose sum is σ = 269893628307248. Its totient is φ = 134946814153620.

The previous prime is 202420221230431. The next prime is 202420221230453. The reversal of 202420221230433 is 334032122024202.

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 not a de Polignac number, because 202420221230433 - 2¹ = 202420221230431 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 202420221230433.

It is not an unprimeable number, because it can be changed into a prime (202420221230431) 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, 33736703538403 + ... + 33736703538408.

It is an arithmetic number, because the mean of its divisors is an integer number (67473407076812).

Almost surely, 2^{202420221230433} is an apocalyptic number.

It is an amenable number.

202420221230433 is a deficient number, since it is larger than the sum of its proper divisors (67473407076815).

202420221230433 is an equidigital number, since it uses as much as digits as its factorization.

202420221230433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67473407076814.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 202420221230433 its reverse (334032122024202), we get a palindrome (536452343254635).

The spelling of 202420221230433 in words is "two hundred two trillion, four hundred twenty billion, two hundred twenty-one million, two hundred thirty thousand, four hundred thirty-three".