2020002120020 has 24 divisors (see below), whose sum is σ = 4293112942944. Its totient is φ = 798265897376.

The previous prime is 2020002119983. The next prime is 2020002120029. The reversal of 2020002120020 is 200212000202.

It is a junction number, because it is equal to n+sod(n) for n = 2020002119983 and 2020002120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020002120029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608432714 + ... + 608436033.

It is an arithmetic number, because the mean of its divisors is an integer number (178879705956).

Almost surely, 2^{2020002120020} is an apocalyptic number.

2020002120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020002120020 is an abundant number, since it is smaller than the sum of its proper divisors (2273110822924).

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

2020002120020 is a wasteful number, since it uses less digits than its factorization.

2020002120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216868839 (or 1216868837 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2020002120020 its reverse (200212000202), we get a palindrome (2220214120222).

The spelling of 2020002120020 in words is "two trillion, twenty billion, two million, one hundred twenty thousand, twenty".