47030020 has 12 divisors (see below), whose sum is σ = 98763084. Its totient is φ = 18812000.

The previous prime is 47030017. The next prime is 47030023. The reversal of 47030020 is 2003074.

47030020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47030017) and next prime (47030023).

It can be written as a sum of positive squares in 2 ways, for example, as 23059204 + 23970816 = 4802^2 + 4896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47029976 and 47030003.

It is not an unprimeable number, because it can be changed into a prime (47030023) 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 3 ways as a sum of consecutive naturals, for example, 1175731 + ... + 1175770.

It is an arithmetic number, because the mean of its divisors is an integer number (8230257).

Almost surely, 2^47030020 is an apocalyptic number.

It is an amenable number.

47030020 is an abundant number, since it is smaller than the sum of its proper divisors (51733064).

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

47030020 is a wasteful number, since it uses less digits than its factorization.

47030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351510 (or 2351508 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 47030020 is about 6857.8436844244. The cubic root of 47030020 is about 360.9594263836.

Adding to 47030020 its reverse (2003074), we get a palindrome (49033094).

The spelling of 47030020 in words is "forty-seven million, thirty thousand, twenty".