30680019120 has 40 divisors (see below), whose sum is σ = 95108060016. Its totient is φ = 8181338368.

The previous prime is 30680019107. The next prime is 30680019127. The reversal of 30680019120 is 2191008603.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (30680019127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63916467 + ... + 63916946.

Almost surely, 2^30680019120 is an apocalyptic number.

30680019120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30680019120 is an abundant number, since it is smaller than the sum of its proper divisors (64428040896).

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

30680019120 is a wasteful number, since it uses less digits than its factorization.

30680019120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127833429 (or 127833423 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 30680019120 in words is "thirty billion, six hundred eighty million, nineteen thousand, one hundred twenty".