30301020 has 48 divisors (see below), whose sum is σ = 94271520. Its totient is φ = 8080128.

The previous prime is 30301013. The next prime is 30301031. The reversal of 30301020 is 2010303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30300993 and 30301011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27517 + ... + 28596.

It is an arithmetic number, because the mean of its divisors is an integer number (1963990).

Almost surely, 2^30301020 is an apocalyptic number.

30301020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30301020 is an abundant number, since it is smaller than the sum of its proper divisors (63970500).

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

30301020 is a wasteful number, since it uses less digits than its factorization.

30301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56131 (or 56123 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30301020 is about 5504.6362277629. The cubic root of 30301020 is about 311.7590595450.

Adding to 30301020 its reverse (2010303), we get a palindrome (32311323).

The spelling of 30301020 in words is "thirty million, three hundred one thousand, twenty".