20570461130 has 8 divisors (see below), whose sum is σ = 37026830052. Its totient is φ = 8228184448.

The previous prime is 20570461039. The next prime is 20570461139. The reversal of 20570461130 is 3116407502.

It can be written as a sum of positive squares in 2 ways, for example, as 19038756361 + 1531704769 = 137981^2 + 39137^2 .

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

It is a super-2 number, since 2×20570461130² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20570461093 and 20570461102.

It is not an unprimeable number, because it can be changed into a prime (20570461139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028523047 + ... + 1028523066.

Almost surely, 2^20570461130 is an apocalyptic number.

20570461130 is a deficient number, since it is larger than the sum of its proper divisors (16456368922).

20570461130 is a wasteful number, since it uses less digits than its factorization.

20570461130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057046120.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 20570461130 its reverse (3116407502), we get a palindrome (23686868632).

The spelling of 20570461130 in words is "twenty billion, five hundred seventy million, four hundred sixty-one thousand, one hundred thirty".