2021020000 has 60 divisors (see below), whose sum is σ = 4972061556. Its totient is φ = 808400000.

The previous prime is 2021019997. The next prime is 2021020003. The reversal of 2021020000 is 201202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2021019997) and next prime (2021020003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021020003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30526 + ... + 70525.

Almost surely, 2^2021020000 is an apocalyptic number.

2021020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021020000 is an abundant number, since it is smaller than the sum of its proper divisors (2951041556).

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

2021020000 is an equidigital number, since it uses as much as digits as its factorization.

2021020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101081 (or 101058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2021020000 is about 44955.7560274544. The cubic root of 2021020000 is about 1264.3195995229.

Adding to 2021020000 its reverse (201202), we get a palindrome (2021221202).

The spelling of 2021020000 in words is "two billion, twenty-one million, twenty thousand".