30220536466142 has 8 divisors (see below), whose sum is σ = 49451786944632. Its totient is φ = 13736607484600.

The previous prime is 30220536466049. The next prime is 30220536466151. The reversal of 30220536466142 is 24166463502203.

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

It is a junction number, because it is equal to n+sod(n) for n = 30220536466093 and 30220536466102.

It is a congruent number.

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, 686830374209 + ... + 686830374252.

It is an arithmetic number, because the mean of its divisors is an integer number (6181473368079).

Almost surely, 2^{30220536466142} is an apocalyptic number.

30220536466142 is a deficient number, since it is larger than the sum of its proper divisors (19231250478490).

30220536466142 is a wasteful number, since it uses less digits than its factorization.

30220536466142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373660748474.

The product of its (nonzero) digits is 1244160, while the sum is 44.

Adding to 30220536466142 its reverse (24166463502203), we get a palindrome (54386999968345).

The spelling of 30220536466142 in words is "thirty trillion, two hundred twenty billion, five hundred thirty-six million, four hundred sixty-six thousand, one hundred forty-two".