20667852 has 48 divisors (see below), whose sum is σ = 56740320. Its totient is φ = 6483456.

The previous prime is 20667841. The next prime is 20667893. The reversal of 20667852 is 25876602.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793 + ... + 7464.

It is an arithmetic number, because the mean of its divisors is an integer number (1182090).

Almost surely, 2^20667852 is an apocalyptic number.

It is an amenable number.

20667852 is an abundant number, since it is smaller than the sum of its proper divisors (36072468).

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

20667852 is a wasteful number, since it uses less digits than its factorization.

20667852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11287 (or 11279 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 20667852 is about 4546.1909330779. The cubic root of 20667852 is about 274.4301234542.

The spelling of 20667852 in words is "twenty million, six hundred sixty-seven thousand, eight hundred fifty-two".