20102221001224 has 32 divisors (see below), whose sum is σ = 38260820062080. Its totient is φ = 9899387365824.

The previous prime is 20102221001183. The next prime is 20102221001237. The reversal of 20102221001224 is 42210012220102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116667 + ... + 6341770.

It is an arithmetic number, because the mean of its divisors is an integer number (1195650626940).

Almost surely, 2^{20102221001224} is an apocalyptic number.

It is an amenable number.

20102221001224 is a deficient number, since it is larger than the sum of its proper divisors (18158599060856).

20102221001224 is a wasteful number, since it uses less digits than its factorization.

20102221001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464317 (or 6464313 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20102221001224 its reverse (42210012220102), we get a palindrome (62312233221326).

The spelling of 20102221001224 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, one thousand, two hundred twenty-four".