20620334130 has 32 divisors (see below), whose sum is σ = 53987784768. Its totient is φ = 4998868800.

The previous prime is 20620334113. The next prime is 20620334143. The reversal of 20620334130 is 3143302602.

It is a self number, because there is not a number n which added to its sum of digits gives 20620334130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31242601 + ... + 31243260.

It is an arithmetic number, because the mean of its divisors is an integer number (1687118274).

Almost surely, 2^20620334130 is an apocalyptic number.

20620334130 is an abundant number, since it is smaller than the sum of its proper divisors (33367450638).

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

20620334130 is a wasteful number, since it uses less digits than its factorization.

20620334130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62485882.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20620334130 its reverse (3143302602), we get a palindrome (23763636732).

The spelling of 20620334130 in words is "twenty billion, six hundred twenty million, three hundred thirty-four thousand, one hundred thirty".