220434125453151 has 4 divisors (see below), whose sum is σ = 293912167270872. Its totient is φ = 146956083635432.

The previous prime is 220434125453149. The next prime is 220434125453251. The reversal of 220434125453151 is 151354521434022.

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 220434125453151 - 2¹ = 220434125453149 is a prime.

It is a super-4 number, since 4×220434125453151⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220434125453251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36739020908856 + ... + 36739020908861.

It is an arithmetic number, because the mean of its divisors is an integer number (73478041817718).

Almost surely, 2^{220434125453151} is an apocalyptic number.

220434125453151 is a deficient number, since it is larger than the sum of its proper divisors (73478041817721).

220434125453151 is an equidigital number, since it uses as much as digits as its factorization.

220434125453151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73478041817720.

The product of its (nonzero) digits is 576000, while the sum is 42.

Adding to 220434125453151 its reverse (151354521434022), we get a palindrome (371788646887173).

The spelling of 220434125453151 in words is "two hundred twenty trillion, four hundred thirty-four billion, one hundred twenty-five million, four hundred fifty-three thousand, one hundred fifty-one".