30220220021442 has 64 divisors (see below), whose sum is σ = 66332448129024. Its totient is φ = 9102449152640.

The previous prime is 30220220021441. The next prime is 30220220021483. The reversal of 30220220021442 is 24412002202203.

It is not an unprimeable number, because it can be changed into a prime (30220220021441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457523263 + ... + 457589309.

It is an arithmetic number, because the mean of its divisors is an integer number (1036444502016).

Almost surely, 2^{30220220021442} is an apocalyptic number.

30220220021442 is an abundant number, since it is smaller than the sum of its proper divisors (36112228107582).

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

30220220021442 is a wasteful number, since it uses less digits than its factorization.

30220220021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107743.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 30220220021442 its reverse (24412002202203), we get a palindrome (54632222223645).

The spelling of 30220220021442 in words is "thirty trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, four hundred forty-two".