221341330020 has 48 divisors (see below), whose sum is σ = 620845021440. Its totient is φ = 58920612096.

The previous prime is 221341330009. The next prime is 221341330031. The reversal of 221341330020 is 20033143122.

It is an interprime number because it is at equal distance from previous prime (221341330009) and next prime (221341330031).

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, 3207532 + ... + 3275811.

It is an arithmetic number, because the mean of its divisors is an integer number (12934271280).

Almost surely, 2^221341330020 is an apocalyptic number.

221341330020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221341330020 is an abundant number, since it is smaller than the sum of its proper divisors (399503691420).

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

221341330020 is a wasteful number, since it uses less digits than its factorization.

221341330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483924 (or 6483922 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221341330020 its reverse (20033143122), we get a palindrome (241374473142).

The spelling of 221341330020 in words is "two hundred twenty-one billion, three hundred forty-one million, three hundred thirty thousand, twenty".