20225482539 has 32 divisors (see below), whose sum is σ = 30072960000. Its totient is φ = 12015972864.

The previous prime is 20225482517. The next prime is 20225482597. The reversal of 20225482539 is 93528452202.

It is a happy number.

It is not a de Polignac number, because 20225482539 - 2²⁴ = 20208705323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20225482539.

It is not an unprimeable number, because it can be changed into a prime (20225482439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2194062 + ... + 2203260.

It is an arithmetic number, because the mean of its divisors is an integer number (939780000).

Almost surely, 2^20225482539 is an apocalyptic number.

20225482539 is a deficient number, since it is larger than the sum of its proper divisors (9847477461).

20225482539 is a wasteful number, since it uses less digits than its factorization.

20225482539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11507.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20225482539 in words is "twenty billion, two hundred twenty-five million, four hundred eighty-two thousand, five hundred thirty-nine".