20011013230 has 64 divisors (see below), whose sum is σ = 39298271040. Its totient is φ = 7292611584.

The previous prime is 20011013227. The next prime is 20011013251. The reversal of 20011013230 is 3231011002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 20011013230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3184852 + ... + 3191128.

It is an arithmetic number, because the mean of its divisors is an integer number (614035485).

Almost surely, 2^20011013230 is an apocalyptic number.

20011013230 is a deficient number, since it is larger than the sum of its proper divisors (19287257810).

20011013230 is a wasteful number, since it uses less digits than its factorization.

20011013230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20011013230 its reverse (3231011002), we get a palindrome (23242024232).

The spelling of 20011013230 in words is "twenty billion, eleven million, thirteen thousand, two hundred thirty".