20013212230 has 32 divisors (see below), whose sum is σ = 39352884480. Its totient is φ = 7267492320.

The previous prime is 20013212201. The next prime is 20013212231. The reversal of 20013212230 is 3221231002.

It is a super-4 number, since 4×20013212230⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013212231) 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, 45160 + ... + 205099.

It is an arithmetic number, because the mean of its divisors is an integer number (1229777640).

Almost surely, 2^20013212230 is an apocalyptic number.

20013212230 is a deficient number, since it is larger than the sum of its proper divisors (19339672250).

20013212230 is a wasteful number, since it uses less digits than its factorization.

20013212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251004.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20013212230 its reverse (3221231002), we get a palindrome (23234443232).

The spelling of 20013212230 in words is "twenty billion, thirteen million, two hundred twelve thousand, two hundred thirty".