20200860 has 48 divisors (see below), whose sum is σ = 62848800. Its totient is φ = 5386752.

The previous prime is 20200847. The next prime is 20200883. The reversal of 20200860 is 6800202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18165 + ... + 19244.

It is an arithmetic number, because the mean of its divisors is an integer number (1309350).

Almost surely, 2^20200860 is an apocalyptic number.

20200860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200860 is an abundant number, since it is smaller than the sum of its proper divisors (42647940).

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

20200860 is a wasteful number, since it uses less digits than its factorization.

20200860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37427 (or 37419 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20200860 is about 4494.5366835748. The cubic root of 20200860 is about 272.3474330438.

The spelling of 20200860 in words is "twenty million, two hundred thousand, eight hundred sixty".