2010020020020 has 36 divisors (see below), whose sum is σ = 6097060727940. Its totient is φ = 536005338624.

The previous prime is 2010020019977. The next prime is 2010020020051. The reversal of 2010020020020 is 200200200102.

It can be written as a sum of positive squares in 2 ways, for example, as 563013116964 + 1447006903056 = 750342^2 + 1202916^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 2010020019984 and 2010020020011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5583388765 + ... + 5583389124.

Almost surely, 2^{2010020020020} is an apocalyptic number.

2010020020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010020020020 is an abundant number, since it is smaller than the sum of its proper divisors (4087040707920).

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

2010020020020 is a wasteful number, since it uses less digits than its factorization.

2010020020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166777904 (or 11166777899 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2010020020020 its reverse (200200200102), we get a palindrome (2210220220122).

The spelling of 2010020020020 in words is "two trillion, ten billion, twenty million, twenty thousand, twenty".