30041020 has 24 divisors (see below), whose sum is σ = 63849744. Its totient is φ = 11870976.

The previous prime is 30040981. The next prime is 30041021. The reversal of 30041020 is 2014003.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 30040988 and 30041006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30041021) 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, 7389 + ... + 10708.

It is an arithmetic number, because the mean of its divisors is an integer number (2660406).

Almost surely, 2^30041020 is an apocalyptic number.

It is an amenable number.

30041020 is an abundant number, since it is smaller than the sum of its proper divisors (33808724).

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

30041020 is a wasteful number, since it uses less digits than its factorization.

30041020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18189 (or 18187 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30041020 is about 5480.9688924496. The cubic root of 30041020 is about 310.8648068494.

Adding to 30041020 its reverse (2014003), we get a palindrome (32055023).

The spelling of 30041020 in words is "thirty million, forty-one thousand, twenty".