20534452130 has 8 divisors (see below), whose sum is σ = 36962013852. Its totient is φ = 8213780848.

The previous prime is 20534452093. The next prime is 20534452171. The reversal of 20534452130 is 3125443502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19183081009 + 1351371121 = 138503^2 + 36761^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20534452093 and 20534452102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026722597 + ... + 1026722616.

Almost surely, 2^20534452130 is an apocalyptic number.

20534452130 is a deficient number, since it is larger than the sum of its proper divisors (16427561722).

20534452130 is a wasteful number, since it uses less digits than its factorization.

20534452130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053445220.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 20534452130 its reverse (3125443502), we get a palindrome (23659895632).

The spelling of 20534452130 in words is "twenty billion, five hundred thirty-four million, four hundred fifty-two thousand, one hundred thirty".