20102021022010 has 32 divisors (see below), whose sum is σ = 37586666422800. Its totient is φ = 7731325271040.

The previous prime is 20102021021993. The next prime is 20102021022047. The reversal of 20102021022010 is 1022012020102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 16349544510849 + 3752476511161 = 4043457^2 + 1937131^2 .

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 15 ways as a sum of consecutive naturals, for example, 143741965 + ... + 143881744.

Almost surely, 2^{20102021022010} is an apocalyptic number.

20102021022010 is a deficient number, since it is larger than the sum of its proper divisors (17484645400790).

20102021022010 is a wasteful number, since it uses less digits than its factorization.

20102021022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287623986.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102021022010 its reverse (1022012020102), we get a palindrome (21124033042112).

The spelling of 20102021022010 in words is "twenty trillion, one hundred two billion, twenty-one million, twenty-two thousand, ten".