20031202230 has 32 divisors (see below), whose sum is σ = 51772954464. Its totient is φ = 4930757376.

The previous prime is 20031202229. The next prime is 20031202231. The reversal of 20031202230 is 3220213002.

It is an interprime number because it is at equal distance from previous prime (20031202229) and next prime (20031202231).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031202231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25680639 + ... + 25681418.

It is an arithmetic number, because the mean of its divisors is an integer number (1617904827).

Almost surely, 2^20031202230 is an apocalyptic number.

20031202230 is an abundant number, since it is smaller than the sum of its proper divisors (31741752234).

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

20031202230 is a wasteful number, since it uses less digits than its factorization.

20031202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51362080.

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

Adding to 20031202230 its reverse (3220213002), we get a palindrome (23251415232).

The spelling of 20031202230 in words is "twenty billion, thirty-one million, two hundred two thousand, two hundred thirty".