200688020 has 24 divisors (see below), whose sum is σ = 453864264. Its totient is φ = 74100096.

The previous prime is 200688001. The next prime is 200688029. The reversal of 200688020 is 20886002.

200688020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13162384 + 187525636 = 3628^2 + 13694^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200688029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385679 + ... + 386198.

It is an arithmetic number, because the mean of its divisors is an integer number (18911011).

Almost surely, 2^200688020 is an apocalyptic number.

200688020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200688020 is an abundant number, since it is smaller than the sum of its proper divisors (253176244).

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

200688020 is a wasteful number, since it uses less digits than its factorization.

200688020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771899 (or 771897 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 200688020 is about 14166.4399197540. The cubic root of 200688020 is about 585.4733743665.

The spelling of 200688020 in words is "two hundred million, six hundred eighty-eight thousand, twenty".