20102033221010 has 16 divisors (see below), whose sum is σ = 38967018244056. Its totient is φ = 7422289189248.

The previous prime is 20102033221009. The next prime is 20102033221043. The reversal of 20102033221010 is 1012233020102.

It can be written as a sum of positive squares in 4 ways, for example, as 14533806656329 + 5568226564681 = 3812323^2 + 2359709^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20102033221010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77315512259 + ... + 77315512518.

Almost surely, 2^{20102033221010} is an apocalyptic number.

20102033221010 is a deficient number, since it is larger than the sum of its proper divisors (18864985023046).

20102033221010 is a wasteful number, since it uses less digits than its factorization.

20102033221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154631024797.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20102033221010 its reverse (1012233020102), we get a palindrome (21114266241112).

The spelling of 20102033221010 in words is "twenty trillion, one hundred two billion, thirty-three million, two hundred twenty-one thousand, ten".