200920530 has 32 divisors (see below), whose sum is σ = 484509888. Its totient is φ = 53323200.

The previous prime is 200920529. The next prime is 200920537. The reversal of 200920530 is 35029002.

It is a super-4 number, since 4×200920530⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200920497 and 200920506.

It is not an unprimeable number, because it can be changed into a prime (200920537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9541 + ... + 22200.

It is an arithmetic number, because the mean of its divisors is an integer number (15140934).

Almost surely, 2^200920530 is an apocalyptic number.

200920530 is an abundant number, since it is smaller than the sum of its proper divisors (283589358).

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

200920530 is a wasteful number, since it uses less digits than its factorization.

200920530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31962.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 200920530 is about 14174.6439108713. The cubic root of 200920530 is about 585.6993899784.

Adding to 200920530 its reverse (35029002), we get a palindrome (235949532).

The spelling of 200920530 in words is "two hundred million, nine hundred twenty thousand, five hundred thirty".