30020202 has 12 divisors (see below), whose sum is σ = 65043810. Its totient is φ = 10006728.

The previous prime is 30020189. The next prime is 30020213. The reversal of 30020202 is 20202003.

It can be written as a sum of positive squares in only one way, i.e., 20711601 + 9308601 = 4551^2 + 3051^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

30020202 is a modest number, since divided by 20202 gives 30 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 833877 + ... + 833912.

Almost surely, 2^30020202 is an apocalyptic number.

30020202 is an abundant number, since it is smaller than the sum of its proper divisors (35023608).

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

30020202 is a wasteful number, since it uses less digits than its factorization.

30020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667797 (or 1667794 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30020202 is about 5479.0694465393. The cubic root of 30020202 is about 310.7929819577.

Adding to 30020202 its reverse (20202003), we get a palindrome (50222205).

It can be divided in two parts, 300 and 20202, that added together give a palindrome (20502).

The spelling of 30020202 in words is "thirty million, twenty thousand, two hundred two".