20331230010 has 128 divisors (see below), whose sum is σ = 60158246400. Its totient is φ = 4282315776.

The previous prime is 20331230009. The next prime is 20331230039. The reversal of 20331230010 is 1003213302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1667416 + ... + 1679564.

It is an arithmetic number, because the mean of its divisors is an integer number (469986300).

Almost surely, 2^20331230010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20331230010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30079123200).

20331230010 is an abundant number, since it is smaller than the sum of its proper divisors (39827016390).

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

20331230010 is a wasteful number, since it uses less digits than its factorization.

20331230010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12792.

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

Adding to 20331230010 its reverse (1003213302), we get a palindrome (21334443312).

The spelling of 20331230010 in words is "twenty billion, three hundred thirty-one million, two hundred thirty thousand, ten".