200070 has 80 divisors (see below), whose sum is σ = 609840. Its totient is φ = 46656.

The previous prime is 200063. The next prime is 200087. The reversal of 200070 is 70002.

200070 = 118² + 119² + ... + 130².

200070 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10521 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (7623).

2²⁰⁰⁰⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304920).

200070 is an abundant number, since it is smaller than the sum of its proper divisors (409770).

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

200070 is a wasteful number, since it uses less digits than its factorization.

200070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 9.

The square root of 200070 is about 447.2918510324. The cubic root of 200070 is about 58.4871766765.

Adding to 200070 its reverse (70002), we get a palindrome (270072).

The spelling of 200070 in words is "two hundred thousand, seventy", and thus it is an iban number.