20010000212020 has 192 divisors, whose sum is σ = 53087910898176. Its totient is φ = 6166039541760.

The previous prime is 20010000212009. The next prime is 20010000212023. The reversal of 20010000212020 is 2021200001002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20010000211988 and 20010000212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010000212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24405130 + ... + 25211710.

It is an arithmetic number, because the mean of its divisors is an integer number (276499535928).

Almost surely, 2^{20010000212020} is an apocalyptic number.

20010000212020 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 20010000212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26543955449088).

20010000212020 is an abundant number, since it is smaller than the sum of its proper divisors (33077910686156).

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

20010000212020 is a wasteful number, since it uses less digits than its factorization.

20010000212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806970 (or 806968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20010000212020 its reverse (2021200001002), we get a palindrome (22031200213022).

The spelling of 20010000212020 in words is "twenty trillion, ten billion, two hundred twelve thousand, twenty".