200660020 has 48 divisors (see below), whose sum is σ = 464482368. Its totient is φ = 72207360.

The previous prime is 200660011. The next prime is 200660051. The reversal of 200660020 is 20066002.

It is a super-4 number, since 4×200660020⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200659976 and 200660003.

It is a congruent number.

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, 16639 + ... + 26041.

It is an arithmetic number, because the mean of its divisors is an integer number (9676716).

Almost surely, 2^200660020 is an apocalyptic number.

200660020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200660020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232241184).

200660020 is an abundant number, since it is smaller than the sum of its proper divisors (263822348).

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

200660020 is a wasteful number, since it uses less digits than its factorization.

200660020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9520 (or 9518 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 200660020 is about 14165.4516341697. The cubic root of 200660020 is about 585.4461446778.

It can be divided in two parts, 2006 and 60020, that added together give a palindrome (62026).

The spelling of 200660020 in words is "two hundred million, six hundred sixty thousand, twenty".