205214130 has 48 divisors (see below), whose sum is σ = 582064704. Its totient is φ = 49748640.

The previous prime is 205214111. The next prime is 205214131. The reversal of 205214130 is 31412502.

205214130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205214130² = 84225678303313800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (205214131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102654 + ... + 104633.

It is an arithmetic number, because the mean of its divisors is an integer number (12126348).

Almost surely, 2^205214130 is an apocalyptic number.

205214130 is an abundant number, since it is smaller than the sum of its proper divisors (376850574).

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

205214130 is a wasteful number, since it uses less digits than its factorization.

205214130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207311 (or 207308 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 205214130 is about 14325.2968555629. The cubic root of 205214130 is about 589.8420816464.

Adding to 205214130 its reverse (31412502), we get a palindrome (236626632).

The spelling of 205214130 in words is "two hundred five million, two hundred fourteen thousand, one hundred thirty".