2130211020 has 48 divisors (see below), whose sum is σ = 6816676608. Its totient is φ = 486905280.

The previous prime is 2130211003. The next prime is 2130211021. The reversal of 2130211020 is 201120312.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2130210987 and 2130211005.

It is not an unprimeable number, because it can be changed into a prime (2130211021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2535546 + ... + 2536385.

It is an arithmetic number, because the mean of its divisors is an integer number (142014096).

Almost surely, 2^2130211020 is an apocalyptic number.

2130211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130211020 is an abundant number, since it is smaller than the sum of its proper divisors (4686465588).

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

2130211020 is a wasteful number, since it uses less digits than its factorization.

2130211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071950 (or 5071948 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2130211020 is about 46154.2091254958. The cubic root of 2130211020 is about 1286.6908394193.

Adding to 2130211020 its reverse (201120312), we get a palindrome (2331331332).

The spelling of 2130211020 in words is "two billion, one hundred thirty million, two hundred eleven thousand, twenty".