2020021000120 has 16 divisors (see below), whose sum is σ = 4545047250360. Its totient is φ = 808008400032.

The previous prime is 2020021000093. The next prime is 2020021000147. The reversal of 2020021000120 is 210001200202.

It is an interprime number because it is at equal distance from previous prime (2020021000093) and next prime (2020021000147).

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 = 2020021000097 and 2020021000106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25250262462 + ... + 25250262541.

Almost surely, 2^{2020021000120} is an apocalyptic number.

2020021000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020021000120 is an abundant number, since it is smaller than the sum of its proper divisors (2525026250240).

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

2020021000120 is a wasteful number, since it uses less digits than its factorization.

2020021000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500525014 (or 50500525010 counting only the distinct ones).

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

Adding to 2020021000120 its reverse (210001200202), we get a palindrome (2230022200322).

The spelling of 2020021000120 in words is "two trillion, twenty billion, twenty-one million, one hundred twenty", and thus it is an aban number.