2131020200 has 48 divisors (see below), whose sum is σ = 4984368480. Its totient is φ = 847290560.

The previous prime is 2131020169. The next prime is 2131020211. The reversal of 2131020200 is 20201312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1499 + ... + 65301.

It is an arithmetic number, because the mean of its divisors is an integer number (103841010).

Almost surely, 2^2131020200 is an apocalyptic number.

2131020200 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 2131020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2492184240).

2131020200 is an abundant number, since it is smaller than the sum of its proper divisors (2853348280).

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

2131020200 is a wasteful number, since it uses less digits than its factorization.

2131020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63986 (or 63977 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2131020200 is about 46162.9743409153. The cubic root of 2131020200 is about 1286.8537391945.

Adding to 2131020200 its reverse (20201312), we get a palindrome (2151221512).

The spelling of 2131020200 in words is "two billion, one hundred thirty-one million, twenty thousand, two hundred".