220251541142 has 16 divisors (see below), whose sum is σ = 330986001840. Its totient is φ = 109923062688.

The previous prime is 220251541129. The next prime is 220251541157. The reversal of 220251541142 is 241145152022.

It is a super-2 number, since 2×220251541142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2342033 + ... + 2434259.

It is an arithmetic number, because the mean of its divisors is an integer number (20686625115).

Almost surely, 2^220251541142 is an apocalyptic number.

220251541142 is a deficient number, since it is larger than the sum of its proper divisors (110734460698).

220251541142 is a wasteful number, since it uses less digits than its factorization.

220251541142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94415.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 220251541142 its reverse (241145152022), we get a palindrome (461396693164).

The spelling of 220251541142 in words is "two hundred twenty billion, two hundred fifty-one million, five hundred forty-one thousand, one hundred forty-two".