30246020 has 48 divisors (see below), whose sum is σ = 74565120. Its totient is φ = 10088064.

The previous prime is 30245993. The next prime is 30246023. The reversal of 30246020 is 2064203.

It is a self number, because there is not a number n which added to its sum of digits gives 30246020.

It is not an unprimeable number, because it can be changed into a prime (30246023) 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, 2261 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (1553440).

Almost surely, 2^30246020 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 30246020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37282560).

30246020 is an abundant number, since it is smaller than the sum of its proper divisors (44319100).

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

30246020 is a wasteful number, since it uses less digits than its factorization.

30246020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892 (or 5890 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30246020 is about 5499.6381699163. The cubic root of 30246020 is about 311.5703185585.

The spelling of 30246020 in words is "thirty million, two hundred forty-six thousand, twenty".