220342213334431 has 4 divisors (see below), whose sum is σ = 231939171931000. Its totient is φ = 208745254737864.

The previous prime is 220342213334357. The next prime is 220342213334449. The reversal of 220342213334431 is 134433312243022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220342213334431 - 2⁹ = 220342213333919 is a prime.

It is a super-2 number, since 2×220342213334431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220342213334491) 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, 5798479298256 + ... + 5798479298293.

It is an arithmetic number, because the mean of its divisors is an integer number (57984792982750).

Almost surely, 2^{220342213334431} is an apocalyptic number.

220342213334431 is a deficient number, since it is larger than the sum of its proper divisors (11596958596569).

220342213334431 is a wasteful number, since it uses less digits than its factorization.

220342213334431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11596958596568.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 220342213334431 its reverse (134433312243022), we get a palindrome (354775525577453).

The spelling of 220342213334431 in words is "two hundred twenty trillion, three hundred forty-two billion, two hundred thirteen million, three hundred thirty-four thousand, four hundred thirty-one".