2020012021020 has 96 divisors (see below), whose sum is σ = 6528038985216. Its totient is φ = 457145568000.

The previous prime is 2020012020997. The next prime is 2020012021031. The reversal of 2020012021020 is 201202100202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2020012020987 and 2020012021005.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 23767246 + ... + 23852085.

It is an arithmetic number, because the mean of its divisors is an integer number (68000406096).

Almost surely, 2^{2020012021020} is an apocalyptic number.

2020012021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020012021020 is an abundant number, since it is smaller than the sum of its proper divisors (4508026964196).

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

2020012021020 is a wasteful number, since it uses less digits than its factorization.

2020012021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47619451 (or 47619449 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2020012021020 its reverse (201202100202), we get a palindrome (2221214121222).

The spelling of 2020012021020 in words is "two trillion, twenty billion, twelve million, twenty-one thousand, twenty".