30154302120 has 64 divisors (see below), whose sum is σ = 92566710720. Its totient is φ = 7854142464.

The previous prime is 30154302107. The next prime is 30154302121. The reversal of 30154302120 is 2120345103.

It is not an unprimeable number, because it can be changed into a prime (30154302121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916769 + ... + 2927088.

It is an arithmetic number, because the mean of its divisors is an integer number (1446354855).

Almost surely, 2^30154302120 is an apocalyptic number.

30154302120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30154302120 is an abundant number, since it is smaller than the sum of its proper divisors (62412408600).

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

30154302120 is a wasteful number, since it uses less digits than its factorization.

30154302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5843914 (or 5843910 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30154302120 its reverse (2120345103), we get a palindrome (32274647223).

The spelling of 30154302120 in words is "thirty billion, one hundred fifty-four million, three hundred two thousand, one hundred twenty".