20310203130 has 64 divisors (see below), whose sum is σ = 58130085888. Its totient is φ = 4440490560.

The previous prime is 20310203113. The next prime is 20310203131. The reversal of 20310203130 is 3130201302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20310203131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2097676 + ... + 2107335.

It is an arithmetic number, because the mean of its divisors is an integer number (908282592).

Almost surely, 2^20310203130 is an apocalyptic number.

20310203130 is an abundant number, since it is smaller than the sum of its proper divisors (37819882758).

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

20310203130 is a wasteful number, since it uses less digits than its factorization.

20310203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205051.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20310203130 its reverse (3130201302), we get a palindrome (23440404432).

The spelling of 20310203130 in words is "twenty billion, three hundred ten million, two hundred three thousand, one hundred thirty".