30020473 has 8 divisors (see below), whose sum is σ = 34344000. Its totient is φ = 25705680.

The previous prime is 30020467. The next prime is 30020491. The reversal of 30020473 is 37402003.

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

It is not a de Polignac number, because 30020473 - 2⁹ = 30019961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30020473.

It is not an unprimeable number, because it can be changed into a prime (30020413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9063 + ... + 11923.

It is an arithmetic number, because the mean of its divisors is an integer number (4293000).

Almost surely, 2^30020473 is an apocalyptic number.

It is an amenable number.

30020473 is a deficient number, since it is larger than the sum of its proper divisors (4323527).

30020473 is a wasteful number, since it uses less digits than its factorization.

30020473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30020473 is about 5479.0941769603. The cubic root of 30020473 is about 310.7939171573.

Adding to 30020473 its reverse (37402003), we get a palindrome (67422476).

The spelling of 30020473 in words is "thirty million, twenty thousand, four hundred seventy-three".