30026020 has 24 divisors (see below), whose sum is σ = 65230200. Its totient is φ = 11596032.

The previous prime is 30025999. The next prime is 30026027. The reversal of 30026020 is 2062003.

It can be written as a sum of positive squares in 4 ways, for example, as 3873024 + 26152996 = 1968^2 + 5114^2 .

It is not an unprimeable number, because it can be changed into a prime (30026027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25305 + ... + 26464.

It is an arithmetic number, because the mean of its divisors is an integer number (2717925).

Almost surely, 2^30026020 is an apocalyptic number.

It is an amenable number.

30026020 is an abundant number, since it is smaller than the sum of its proper divisors (35204180).

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

30026020 is a wasteful number, since it uses less digits than its factorization.

30026020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51807 (or 51805 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30026020 is about 5479.6003503905. The cubic root of 30026020 is about 310.8130581802.

Adding to 30026020 its reverse (2062003), we get a palindrome (32088023).

The spelling of 30026020 in words is "thirty million, twenty-six thousand, twenty".