30020552 has 8 divisors (see below), whose sum is σ = 56288550. Its totient is φ = 15010272.

The previous prime is 30020527. The next prime is 30020561. The reversal of 30020552 is 25502003.

It can be written as a sum of positive squares in only one way, i.e., 24940036 + 5080516 = 4994^2 + 2254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 30020552.

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 as a sum of consecutive naturals, namely, 1876277 + ... + 1876292.

Almost surely, 2^30020552 is an apocalyptic number.

It is an amenable number.

30020552 is a deficient number, since it is larger than the sum of its proper divisors (26267998).

30020552 is a wasteful number, since it uses less digits than its factorization.

30020552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752575 (or 3752571 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 30020552 is about 5479.1013861764. The cubic root of 30020552 is about 310.7941897790.

Adding to 30020552 its reverse (25502003), we get a palindrome (55522555).

The spelling of 30020552 in words is "thirty million, twenty thousand, five hundred fifty-two".