20210102010220 has 12 divisors (see below), whose sum is σ = 42441214221504. Its totient is φ = 8084040804080.

The previous prime is 20210102010167. The next prime is 20210102010247. The reversal of 20210102010220 is 2201020101202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210102010220.

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, 505252550236 + ... + 505252550275.

It is an arithmetic number, because the mean of its divisors is an integer number (3536767851792).

Almost surely, 2^{20210102010220} is an apocalyptic number.

20210102010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210102010220 is an abundant number, since it is smaller than the sum of its proper divisors (22231112211284).

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

20210102010220 is a wasteful number, since it uses less digits than its factorization.

20210102010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010505100520 (or 1010505100518 counting only the distinct ones).

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

Adding to 20210102010220 its reverse (2201020101202), we get a palindrome (22411122111422).

The spelling of 20210102010220 in words is "twenty trillion, two hundred ten billion, one hundred two million, ten thousand, two hundred twenty".