200620134 has 96 divisors (see below), whose sum is σ = 523399968. Its totient is φ = 54720000.

The previous prime is 200620129. The next prime is 200620139. The reversal of 200620134 is 431026002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200620129) and next prime (200620139).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200620139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104584 + ... + 106484.

It is an arithmetic number, because the mean of its divisors is an integer number (5452083).

Almost surely, 2^200620134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200620134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261699984).

200620134 is an abundant number, since it is smaller than the sum of its proper divisors (322779834).

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

200620134 is a wasteful number, since it uses less digits than its factorization.

200620134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1971 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 200620134 is about 14164.0437022766. The cubic root of 200620134 is about 585.4073516117.

Adding to 200620134 its reverse (431026002), we get a palindrome (631646136).

The spelling of 200620134 in words is "two hundred million, six hundred twenty thousand, one hundred thirty-four".