20110221230 has 32 divisors (see below), whose sum is σ = 41812057440. Its totient is φ = 6882641920.

The previous prime is 20110221227. The next prime is 20110221253. The reversal of 20110221230 is 3212201102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5375195 + ... + 5378934.

It is an arithmetic number, because the mean of its divisors is an integer number (1306626795).

Almost surely, 2^20110221230 is an apocalyptic number.

20110221230 is an abundant number, since it is smaller than the sum of its proper divisors (21701836210).

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

20110221230 is a wasteful number, since it uses less digits than its factorization.

20110221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10754164.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20110221230 its reverse (3212201102), we get a palindrome (23322422332).

The spelling of 20110221230 in words is "twenty billion, one hundred ten million, two hundred twenty-one thousand, two hundred thirty".