20200010101020 has 192 divisors, whose sum is σ = 65614451696640. Its totient is φ = 5149511490816.

The previous prime is 20200010101009. The next prime is 20200010101057. The reversal of 20200010101020 is 2010101000202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20200010100993 and 20200010101011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21232254 + ... + 22163226.

It is an arithmetic number, because the mean of its divisors is an integer number (341741935920).

Almost surely, 2^{20200010101020} is an apocalyptic number.

20200010101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200010101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32807225848320).

20200010101020 is an abundant number, since it is smaller than the sum of its proper divisors (45414441595620).

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

20200010101020 is a wasteful number, since it uses less digits than its factorization.

20200010101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932761 (or 932753 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20200010101020 its reverse (2010101000202), we get a palindrome (22210111101222).

The spelling of 20200010101020 in words is "twenty trillion, two hundred billion, ten million, one hundred one thousand, twenty".