46520820 has 36 divisors (see below), whose sum is σ = 141113700. Its totient is φ = 12405504.

The previous prime is 46520819. The next prime is 46520821. The reversal of 46520820 is 2802564.

46520820 is a `hidden beast` number, since 4 + 652 + 0 + 8 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (46520819) and next prime (46520821).

It can be written as a sum of positive squares in 2 ways, for example, as 6906384 + 39614436 = 2628^2 + 6294^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46520821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129045 + ... + 129404.

It is an arithmetic number, because the mean of its divisors is an integer number (3919825).

Almost surely, 2^46520820 is an apocalyptic number.

It is an amenable number.

46520820 is an abundant number, since it is smaller than the sum of its proper divisors (94592880).

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

46520820 is a wasteful number, since it uses less digits than its factorization.

46520820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258464 (or 258459 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 46520820 is about 6820.6172741182. The cubic root of 46520820 is about 359.6519784816.

The spelling of 46520820 in words is "forty-six million, five hundred twenty thousand, eight hundred twenty".