20102020221012 has 12 divisors (see below), whose sum is σ = 46904713849056. Its totient is φ = 6700673407000.

The previous prime is 20102020220941. The next prime is 20102020221047. The reversal of 20102020221012 is 21012202020102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20102020220982 and 20102020221000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837584175864 + ... + 837584175887.

It is an arithmetic number, because the mean of its divisors is an integer number (3908726154088).

Almost surely, 2^{20102020221012} is an apocalyptic number.

It is an amenable number.

20102020221012 is an abundant number, since it is smaller than the sum of its proper divisors (26802693628044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20102020221012 is a wasteful number, since it uses less digits than its factorization.

20102020221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675168351758 (or 1675168351756 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20102020221012 its reverse (21012202020102), we get a palindrome (41114222241114).

The spelling of 20102020221012 in words is "twenty trillion, one hundred two billion, twenty million, two hundred twenty-one thousand, twelve".