30020194 has 8 divisors (see below), whose sum is σ = 45184860. Its totient is φ = 14958576.

The previous prime is 30020189. The next prime is 30020213. The reversal of 30020194 is 49102003.

It can be written as a sum of positive squares in 2 ways, for example, as 29757025 + 263169 = 5455^2 + 513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25029 + ... + 26200.

Almost surely, 2^30020194 is an apocalyptic number.

30020194 is a deficient number, since it is larger than the sum of its proper divisors (15164666).

30020194 is a wasteful number, since it uses less digits than its factorization.

30020194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51524.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 30020194 is about 5479.0687164882. The cubic root of 30020194 is about 310.7929543502.

Adding to 30020194 its reverse (49102003), we get a palindrome (79122197).

The spelling of 30020194 in words is "thirty million, twenty thousand, one hundred ninety-four".