20047350 has 24 divisors (see below), whose sum is σ = 49717800. Its totient is φ = 5345920.

The previous prime is 20047327. The next prime is 20047361. The reversal of 20047350 is 5374002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66675 + ... + 66974.

It is an arithmetic number, because the mean of its divisors is an integer number (2071575).

Almost surely, 2^20047350 is an apocalyptic number.

20047350 is an abundant number, since it is smaller than the sum of its proper divisors (29670450).

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

20047350 is a wasteful number, since it uses less digits than its factorization.

20047350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133664 (or 133659 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 20047350 is about 4477.4267163182. The cubic root of 20047350 is about 271.6558056221.

The spelling of 20047350 in words is "twenty million, forty-seven thousand, three hundred fifty".