20012032230 has 16 divisors (see below), whose sum is σ = 48028877424. Its totient is φ = 5336541920.

The previous prime is 20012032217. The next prime is 20012032241. The reversal of 20012032230 is 3223021002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333533841 + ... + 333533900.

It is an arithmetic number, because the mean of its divisors is an integer number (3001804839).

Almost surely, 2^20012032230 is an apocalyptic number.

20012032230 is an abundant number, since it is smaller than the sum of its proper divisors (28016845194).

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

20012032230 is a wasteful number, since it uses less digits than its factorization.

20012032230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667067751.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20012032230 its reverse (3223021002), we get a palindrome (23235053232).

The spelling of 20012032230 in words is "twenty billion, twelve million, thirty-two thousand, two hundred thirty".