220032121230042 has 64 divisors (see below), whose sum is σ = 481238267005440. Its totient is φ = 66514167403200.

The previous prime is 220032121230041. The next prime is 220032121230127. The reversal of 220032121230042 is 240032121230022.

It is a super-2 number, since 2×220032121230042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220032121229994 and 220032121230021.

It is not an unprimeable number, because it can be changed into a prime (220032121230041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632024073 + ... + 632372115.

It is an arithmetic number, because the mean of its divisors is an integer number (7519347921960).

Almost surely, 2^{220032121230042} is an apocalyptic number.

220032121230042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220032121230042 is an abundant number, since it is smaller than the sum of its proper divisors (261206145775398).

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

220032121230042 is a wasteful number, since it uses less digits than its factorization.

220032121230042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371339.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 220032121230042 its reverse (240032121230022), we get a palindrome (460064242460064).

The spelling of 220032121230042 in words is "two hundred twenty trillion, thirty-two billion, one hundred twenty-one million, two hundred thirty thousand, forty-two".