220204242642 has 16 divisors (see below), whose sum is σ = 440423560512. Its totient is φ = 73398901680.

The previous prime is 220204242623. The next prime is 220204242647. The reversal of 220204242642 is 246242402022.

It is a super-2 number, since 2×220204242642² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220204242647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433609 + ... + 792732.

It is an arithmetic number, because the mean of its divisors is an integer number (27526472532).

Almost surely, 2^220204242642 is an apocalyptic number.

220204242642 is an abundant number, since it is smaller than the sum of its proper divisors (220219317870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220204242642 is a wasteful number, since it uses less digits than its factorization.

220204242642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256273.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 220204242642 its reverse (246242402022), we get a palindrome (466446644664).

The spelling of 220204242642 in words is "two hundred twenty billion, two hundred four million, two hundred forty-two thousand, six hundred forty-two".