221332020230 has 16 divisors (see below), whose sum is σ = 398403015264. Its totient is φ = 88531612800.

The previous prime is 221332020181. The next prime is 221332020233. The reversal of 221332020230 is 32020233122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221332020233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274399 + ... + 1437621.

It is an arithmetic number, because the mean of its divisors is an integer number (24900188454).

Almost surely, 2^221332020230 is an apocalyptic number.

221332020230 is a deficient number, since it is larger than the sum of its proper divisors (177070995034).

221332020230 is a wasteful number, since it uses less digits than its factorization.

221332020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298831.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 221332020230 its reverse (32020233122), we get a palindrome (253352253352).

The spelling of 221332020230 in words is "two hundred twenty-one billion, three hundred thirty-two million, twenty thousand, two hundred thirty".