200070820 has 12 divisors (see below), whose sum is σ = 420148764. Its totient is φ = 80028320.

The previous prime is 200070791. The next prime is 200070823. The reversal of 200070820 is 28070002.

It can be written as a sum of positive squares in 2 ways, for example, as 39237696 + 160833124 = 6264^2 + 12682^2 .

It is not an unprimeable number, because it can be changed into a prime (200070823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5001751 + ... + 5001790.

It is an arithmetic number, because the mean of its divisors is an integer number (35012397).

Almost surely, 2^200070820 is an apocalyptic number.

200070820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200070820 is an abundant number, since it is smaller than the sum of its proper divisors (220077944).

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

200070820 is a wasteful number, since it uses less digits than its factorization.

200070820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003550 (or 10003548 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 200070820 is about 14144.6392672277. The cubic root of 200070820 is about 584.8725658088.

The spelling of 200070820 in words is "two hundred million, seventy thousand, eight hundred twenty".