30411020 has 48 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 11436480.

The previous prime is 30410993. The next prime is 30411023. The reversal of 30411020 is 2011403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30410992 and 30411010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30411023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72371 + ... + 72789.

It is an arithmetic number, because the mean of its divisors is an integer number (1411200).

Almost surely, 2^30411020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30411020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).

30411020 is an abundant number, since it is smaller than the sum of its proper divisors (37326580).

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

30411020 is a wasteful number, since it uses less digits than its factorization.

30411020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30411020 is about 5514.6187538215. The cubic root of 30411020 is about 312.1358574455.

Adding to 30411020 its reverse (2011403), we get a palindrome (32422423).

The spelling of 30411020 in words is "thirty million, four hundred eleven thousand, twenty".