20985348 has 24 divisors (see below), whose sum is σ = 51543520. Its totient is φ = 6626880.

The previous prime is 20985337. The next prime is 20985373. The reversal of 20985348 is 84358902.

It is a happy number.

It is a super-3 number, since 3×20985348³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45793 + ... + 46248.

Almost surely, 2^20985348 is an apocalyptic number.

It is an amenable number.

20985348 is an abundant number, since it is smaller than the sum of its proper divisors (30558172).

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

20985348 is a wasteful number, since it uses less digits than its factorization.

20985348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92067 (or 92065 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 20985348 is about 4580.9767517419. The cubic root of 20985348 is about 275.8282380157.

The spelling of 20985348 in words is "twenty million, nine hundred eighty-five thousand, three hundred forty-eight".