47450020 has 12 divisors (see below), whose sum is σ = 99645084. Its totient is φ = 18980000.

The previous prime is 47450017. The next prime is 47450023. The reversal of 47450020 is 2005474.

It is an interprime number because it is at equal distance from previous prime (47450017) and next prime (47450023).

It can be written as a sum of positive squares in 2 ways, for example, as 17572864 + 29877156 = 4192^2 + 5466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47449973 and 47450000.

It is not an unprimeable number, because it can be changed into a prime (47450023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1186231 + ... + 1186270.

It is an arithmetic number, because the mean of its divisors is an integer number (8303757).

Almost surely, 2^47450020 is an apocalyptic number.

It is an amenable number.

47450020 is an abundant number, since it is smaller than the sum of its proper divisors (52195064).

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

47450020 is a wasteful number, since it uses less digits than its factorization.

47450020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372510 (or 2372508 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 47450020 is about 6888.3974914344. The cubic root of 47450020 is about 362.0307555038.

Adding to 47450020 its reverse (2005474), we get a palindrome (49455494).

The spelling of 47450020 in words is "forty-seven million, four hundred fifty thousand, twenty".