2030021020 has 24 divisors (see below), whose sum is σ = 4268271168. Its totient is φ = 811012800.

The previous prime is 2030020997. The next prime is 2030021041. The reversal of 2030021020 is 201200302.

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 = 2030020988 and 2030021006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45396 + ... + 78235.

It is an arithmetic number, because the mean of its divisors is an integer number (177844632).

Almost surely, 2^2030021020 is an apocalyptic number.

2030021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030021020 is an abundant number, since it is smaller than the sum of its proper divisors (2238250148).

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

2030021020 is a wasteful number, since it uses less digits than its factorization.

2030021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124461 (or 124459 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2030021020 is about 45055.7545714196. The cubic root of 2030021020 is about 1266.1937873189.

Adding to 2030021020 its reverse (201200302), we get a palindrome (2231221322).

The spelling of 2030021020 in words is "two billion, thirty million, twenty-one thousand, twenty".