220405341420434 has 8 divisors (see below), whose sum is σ = 331736367121740. Its totient is φ = 109826552379856.

The previous prime is 220405341420431. The next prime is 220405341420463. The reversal of 220405341420434 is 434024143504022.

220405341420434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 196512650780209 + 23892690640225 = 14018297^2 + 4888015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220405341420431) 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, 188059164449 + ... + 188059165620.

Almost surely, 2^{220405341420434} is an apocalyptic number.

220405341420434 is a deficient number, since it is larger than the sum of its proper divisors (111331025701306).

220405341420434 is a wasteful number, since it uses less digits than its factorization.

220405341420434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376118330364.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 220405341420434 its reverse (434024143504022), we get a palindrome (654429484924456).

The spelling of 220405341420434 in words is "two hundred twenty trillion, four hundred five billion, three hundred forty-one million, four hundred twenty thousand, four hundred thirty-four".