2100020130 has 96 divisors (see below), whose sum is σ = 5906706624. Its totient is φ = 514585728.

The previous prime is 2100020119. The next prime is 2100020141. The reversal of 2100020130 is 310200012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2100020119) and next prime (2100020141).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261637 + ... + 269543.

It is an arithmetic number, because the mean of its divisors is an integer number (61528194).

Almost surely, 2^2100020130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100020130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953353312).

2100020130 is an abundant number, since it is smaller than the sum of its proper divisors (3806686494).

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

2100020130 is a wasteful number, since it uses less digits than its factorization.

2100020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2100020130 is about 45825.9765853386. The cubic root of 2100020130 is about 1280.5832567298.

Adding to 2100020130 its reverse (310200012), we get a palindrome (2410220142).

The spelling of 2100020130 in words is "two billion, one hundred million, twenty thousand, one hundred thirty".