2130020420 has 96 divisors (see below), whose sum is σ = 5065441920. Its totient is φ = 745256960.

The previous prime is 2130020393. The next prime is 2130020443. The reversal of 2130020420 is 240200312.

It is a junction number, because it is equal to n+sod(n) for n = 2130020395 and 2130020404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3591644 + ... + 3592236.

It is an arithmetic number, because the mean of its divisors is an integer number (52765020).

Almost surely, 2^2130020420 is an apocalyptic number.

2130020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130020420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2532720960).

2130020420 is an abundant number, since it is smaller than the sum of its proper divisors (2935421500).

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

2130020420 is a wasteful number, since it uses less digits than its factorization.

2130020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2130020420 is about 46152.1442622117. The cubic root of 2130020420 is about 1286.6524628474.

Adding to 2130020420 its reverse (240200312), we get a palindrome (2370220732).

The spelling of 2130020420 in words is "two billion, one hundred thirty million, twenty thousand, four hundred twenty".