30220143242 has 8 divisors (see below), whose sum is σ = 45506597796. Its totient is φ = 15051277312.

The previous prime is 30220143223. The next prime is 30220143251. The reversal of 30220143242 is 24234102203.

It can be written as a sum of positive squares in 2 ways, for example, as 26579106961 + 3641036281 = 163031^2 + 60341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29396513 + ... + 29397540.

Almost surely, 2^30220143242 is an apocalyptic number.

30220143242 is a deficient number, since it is larger than the sum of its proper divisors (15286454554).

30220143242 is a wasteful number, since it uses less digits than its factorization.

30220143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58794312.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30220143242 its reverse (24234102203), we get a palindrome (54454245445).

The spelling of 30220143242 in words is "thirty billion, two hundred twenty million, one hundred forty-three thousand, two hundred forty-two".