220321244020142 has 32 divisors (see below), whose sum is σ = 333837080791200. Its totient is φ = 109047750185088.

The previous prime is 220321244020123. The next prime is 220321244020183. The reversal of 220321244020142 is 241020442123022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267222209 + ... + 268045427.

It is an arithmetic number, because the mean of its divisors is an integer number (10432408774725).

Almost surely, 2^{220321244020142} is an apocalyptic number.

220321244020142 is a deficient number, since it is larger than the sum of its proper divisors (113515836771058).

220321244020142 is a wasteful number, since it uses less digits than its factorization.

220321244020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826580.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 220321244020142 its reverse (241020442123022), we get a palindrome (461341686143164).

The spelling of 220321244020142 in words is "two hundred twenty trillion, three hundred twenty-one billion, two hundred forty-four million, twenty thousand, one hundred forty-two".