20201022021010 has 16 divisors (see below), whose sum is σ = 36429051920472. Its totient is φ = 8065472745600.

The previous prime is 20201022021001. The next prime is 20201022021043. The reversal of 20201022021010 is 1012022010202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19636658980929 + 564363040081 = 4431327^2 + 751241^2 .

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, 1867002171 + ... + 1867012990.

Almost surely, 2^{20201022021010} is an apocalyptic number.

20201022021010 is a deficient number, since it is larger than the sum of its proper divisors (16228029899462).

20201022021010 is a wasteful number, since it uses less digits than its factorization.

20201022021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734015709.

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

Adding to 20201022021010 its reverse (1012022010202), we get a palindrome (21213044031212).

The spelling of 20201022021010 in words is "twenty trillion, two hundred one billion, twenty-two million, twenty-one thousand, ten".