10131230220 has 48 divisors (see below), whose sum is σ = 28491358560. Its totient is φ = 2689860096.

The previous prime is 10131230209. The next prime is 10131230231. The reversal of 10131230220 is 2203213101.

It is an interprime number because it is at equal distance from previous prime (10131230209) and next prime (10131230231).

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

It is a self number, because there is not a number n which added to its sum of digits gives 10131230220.

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, 354937 + ... + 382416.

It is an arithmetic number, because the mean of its divisors is an integer number (593569970).

Almost surely, 2^10131230220 is an apocalyptic number.

10131230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131230220 is an abundant number, since it is smaller than the sum of its proper divisors (18360128340).

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

10131230220 is a wasteful number, since it uses less digits than its factorization.

10131230220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737594 (or 737592 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10131230220 its reverse (2203213101), we get a palindrome (12334443321).

The spelling of 10131230220 in words is "ten billion, one hundred thirty-one million, two hundred thirty thousand, two hundred twenty".