30020025 has 48 divisors (see below), whose sum is σ = 57202688. Its totient is φ = 13608000.

The previous prime is 30019963. The next prime is 30020041. The reversal of 30020025 is 52002003.

It is not a de Polignac number, because 30020025 - 2⁶ = 30019961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110640 + ... + 110910.

Almost surely, 2^30020025 is an apocalyptic number.

30020025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30020025 is a deficient number, since it is larger than the sum of its proper divisors (27182663).

30020025 is a wasteful number, since it uses less digits than its factorization.

30020025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30020025 is about 5479.0532941376. The cubic root of 30020025 is about 310.7923711416.

Adding to 30020025 its reverse (52002003), we get a palindrome (82022028).

The spelling of 30020025 in words is "thirty million, twenty thousand, twenty-five".