30410020 has 12 divisors (see below), whose sum is σ = 63861084. Its totient is φ = 12164000.

The previous prime is 30410011. The next prime is 30410021. The reversal of 30410020 is 2001403.

It can be written as a sum of positive squares in 2 ways, for example, as 15618304 + 14791716 = 3952^2 + 3846^2 .

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 = 30409979 and 30410006.

It is not an unprimeable number, because it can be changed into a prime (30410021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760231 + ... + 760270.

It is an arithmetic number, because the mean of its divisors is an integer number (5321757).

Almost surely, 2^30410020 is an apocalyptic number.

It is an amenable number.

30410020 is an abundant number, since it is smaller than the sum of its proper divisors (33451064).

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

30410020 is a wasteful number, since it uses less digits than its factorization.

30410020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520510 (or 1520508 counting only the distinct ones).

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

The square root of 30410020 is about 5514.5280849770. The cubic root of 30410020 is about 312.1324361059.

Adding to 30410020 its reverse (2001403), we get a palindrome (32411423).

The spelling of 30410020 in words is "thirty million, four hundred ten thousand, twenty".