20314530 has 32 divisors (see below), whose sum is σ = 54172800. Its totient is φ = 5417136.

The previous prime is 20314523. The next prime is 20314537. The reversal of 20314530 is 3541302.

It is an interprime number because it is at equal distance from previous prime (20314523) and next prime (20314537).

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 (20314537) 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, 37350 + ... + 37889.

It is an arithmetic number, because the mean of its divisors is an integer number (1692900).

Almost surely, 2^20314530 is an apocalyptic number.

20314530 is an abundant number, since it is smaller than the sum of its proper divisors (33858270).

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

20314530 is a wasteful number, since it uses less digits than its factorization.

20314530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75255 (or 75249 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 20314530 is about 4507.1642969832. The cubic root of 20314530 is about 272.8573098063.

Adding to 20314530 its reverse (3541302), we get a palindrome (23855832).

It can be divided in two parts, 2031 and 4530, that added together give a 8-th power (6561 = 3⁸).

The spelling of 20314530 in words is "twenty million, three hundred fourteen thousand, five hundred thirty".