20021244244222 has 8 divisors (see below), whose sum is σ = 32342009933016. Its totient is φ = 9240574266552.

The previous prime is 20021244244201. The next prime is 20021244244231. The reversal of 20021244244222 is 22244244212002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385023927748 + ... + 385023927799.

It is an arithmetic number, because the mean of its divisors is an integer number (4042751241627).

Almost surely, 2^{20021244244222} is an apocalyptic number.

20021244244222 is a deficient number, since it is larger than the sum of its proper divisors (12320765688794).

20021244244222 is a wasteful number, since it uses less digits than its factorization.

20021244244222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770047855562.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 20021244244222 its reverse (22244244212002), we get a palindrome (42265488456224).

The spelling of 20021244244222 in words is "twenty trillion, twenty-one billion, two hundred forty-four million, two hundred forty-four thousand, two hundred twenty-two".