20021012210210 has 16 divisors (see below), whose sum is σ = 39313987612992. Its totient is φ = 7280368076400.

The previous prime is 20021012210167. The next prime is 20021012210219. The reversal of 20021012210210 is 1201221012002.

It is not an unprimeable number, because it can be changed into a prime (20021012210219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91004600846 + ... + 91004601065.

It is an arithmetic number, because the mean of its divisors is an integer number (2457124225812).

Almost surely, 2^{20021012210210} is an apocalyptic number.

20021012210210 is a deficient number, since it is larger than the sum of its proper divisors (19292975402782).

20021012210210 is a wasteful number, since it uses less digits than its factorization.

20021012210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182009201929.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021012210210 its reverse (1201221012002), we get a palindrome (21222233222212).

The spelling of 20021012210210 in words is "twenty trillion, twenty-one billion, twelve million, two hundred ten thousand, two hundred ten".