30242020 has 24 divisors (see below), whose sum is σ = 63613368. Its totient is φ = 12076800.

The previous prime is 30242011. The next prime is 30242021. The reversal of 30242020 is 2024203.

It can be written as a sum of positive squares in 4 ways, for example, as 3118756 + 27123264 = 1766^2 + 5208^2 .

It is not an unprimeable number, because it can be changed into a prime (30242021) 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, 19680 + ... + 21160.

It is an arithmetic number, because the mean of its divisors is an integer number (2650557).

Almost surely, 2^30242020 is an apocalyptic number.

It is an amenable number.

30242020 is an abundant number, since it is smaller than the sum of its proper divisors (33371348).

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

30242020 is a wasteful number, since it uses less digits than its factorization.

30242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 30242020 is about 5499.2744976042. The cubic root of 30242020 is about 311.5565830188.

Adding to 30242020 its reverse (2024203), we get a palindrome (32266223).

The spelling of 30242020 in words is "thirty million, two hundred forty-two thousand, twenty".