30432220220144 has 80 divisors (see below), whose sum is σ = 59204008096800. Its totient is φ = 15153937920000.

The previous prime is 30432220220033. The next prime is 30432220220153. The reversal of 30432220220144 is 44102202223403.

It is a super-2 number, since 2×30432220220144² (a number of 28 digits) contains 22 as substring.

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, 13341612284 + ... + 13341614564.

It is an arithmetic number, because the mean of its divisors is an integer number (740050101210).

Almost surely, 2^{30432220220144} is an apocalyptic number.

It is an amenable number.

30432220220144 is a deficient number, since it is larger than the sum of its proper divisors (28771787876656).

30432220220144 is a wasteful number, since it uses less digits than its factorization.

30432220220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 5644 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 30432220220144 its reverse (44102202223403), we get a palindrome (74534422443547).

The spelling of 30432220220144 in words is "thirty trillion, four hundred thirty-two billion, two hundred twenty million, two hundred twenty thousand, one hundred forty-four".