30368117620 has 192 divisors, whose sum is σ = 74519585280. Its totient is φ = 10311155712.

The previous prime is 30368117617. The next prime is 30368117623. The reversal of 30368117620 is 2671186303.

It is an interprime number because it is at equal distance from previous prime (30368117617) and next prime (30368117623).

It is a self number, because there is not a number n which added to its sum of digits gives 30368117620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30368117623) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46505214 + ... + 46505866.

It is an arithmetic number, because the mean of its divisors is an integer number (388122840).

Almost surely, 2^30368117620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30368117620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37259792640).

30368117620 is an abundant number, since it is smaller than the sum of its proper divisors (44151467660).

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

30368117620 is a wasteful number, since it uses less digits than its factorization.

30368117620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 30368117620 in words is "thirty billion, three hundred sixty-eight million, one hundred seventeen thousand, six hundred twenty".