2130312020 has 24 divisors (see below), whose sum is σ = 4577695584. Its totient is φ = 832307616.

The previous prime is 2130312017. The next prime is 2130312043. The reversal of 2130312020 is 202130312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2130311986 and 2130312004.

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, 1237694 + ... + 1239413.

It is an arithmetic number, because the mean of its divisors is an integer number (190737316).

Almost surely, 2^2130312020 is an apocalyptic number.

2130312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130312020 is an abundant number, since it is smaller than the sum of its proper divisors (2447383564).

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

2130312020 is a wasteful number, since it uses less digits than its factorization.

2130312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477159 (or 2477157 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2130312020 is about 46155.3032705885. The cubic root of 2130312020 is about 1286.7111744502.

Adding to 2130312020 its reverse (202130312), we get a palindrome (2332442332).

The spelling of 2130312020 in words is "two billion, one hundred thirty million, three hundred twelve thousand, twenty".