2100023010 has 128 divisors (see below), whose sum is σ = 5720267520. Its totient is φ = 554973120.

The previous prime is 2100022999. The next prime is 2100023021. The reversal of 2100023010 is 103200012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2100022999) and next prime (2100023021).

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

It is a junction number, because it is equal to n+sod(n) for n = 2100022983 and 2100023001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2864604 + ... + 2865336.

It is an arithmetic number, because the mean of its divisors is an integer number (44689590).

Almost surely, 2^2100023010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100023010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860133760).

2100023010 is an abundant number, since it is smaller than the sum of its proper divisors (3620244510).

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

2100023010 is an equidigital number, since it uses as much as digits as its factorization.

2100023010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 874 counting only the distinct ones).

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

The square root of 2100023010 is about 45826.0080085534. The cubic root of 2100023010 is about 1280.5838421334.

Adding to 2100023010 its reverse (103200012), we get a palindrome (2203223022).

The spelling of 2100023010 in words is "two billion, one hundred million, twenty-three thousand, ten".