30140043243020 has 24 divisors (see below), whose sum is σ = 66046007803104. Its totient is φ = 11531842631936.

The previous prime is 30140043242989. The next prime is 30140043243053. The reversal of 30140043243020 is 2034234004103.

It is a super-2 number, since 2×30140043243020² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32760916109 + ... + 32760917028.

It is an arithmetic number, because the mean of its divisors is an integer number (2751916991796).

Almost surely, 2^{30140043243020} is an apocalyptic number.

It is an amenable number.

30140043243020 is an abundant number, since it is smaller than the sum of its proper divisors (35905964560084).

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

30140043243020 is a wasteful number, since it uses less digits than its factorization.

30140043243020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65521833169 (or 65521833167 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30140043243020 its reverse (2034234004103), we get a palindrome (32174277247123).

The spelling of 30140043243020 in words is "thirty trillion, one hundred forty billion, forty-three million, two hundred forty-three thousand, twenty".