20512483 has 8 divisors (see below), whose sum is σ = 21905280. Its totient is φ = 19165440.

The previous prime is 20512469. The next prime is 20512487. The reversal of 20512483 is 38421502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20512483 - 2¹⁷ = 20381411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20512487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10510 + ... + 12307.

It is an arithmetic number, because the mean of its divisors is an integer number (2738160).

Almost surely, 2^20512483 is an apocalyptic number.

20512483 is a deficient number, since it is larger than the sum of its proper divisors (1392797).

20512483 is a wasteful number, since it uses less digits than its factorization.

20512483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22877.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 20512483 is about 4529.0708760186. The cubic root of 20512483 is about 273.7407238852.

Adding to 20512483 its reverse (38421502), we get a palindrome (58933985).

The spelling of 20512483 in words is "twenty million, five hundred twelve thousand, four hundred eighty-three".