2100023120 has 160 divisors (see below), whose sum is σ = 5395488000. Its totient is φ = 755453952.

The previous prime is 2100023117. The next prime is 2100023137. The reversal of 2100023120 is 213200012.

It is a happy number.

It is a congruent number.

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, 10552781 + ... + 10552979.

It is an arithmetic number, because the mean of its divisors is an integer number (33721800).

Almost surely, 2^2100023120 is an apocalyptic number.

2100023120 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 2100023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697744000).

2100023120 is an abundant number, since it is smaller than the sum of its proper divisors (3295464880).

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

2100023120 is a wasteful number, since it uses less digits than its factorization.

2100023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 431 counting only the distinct ones).

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

The square root of 2100023120 is about 45826.0092087452. The cubic root of 2100023120 is about 1280.5838644925.

Adding to 2100023120 its reverse (213200012), we get a palindrome (2313223132).

The spelling of 2100023120 in words is "two billion, one hundred million, twenty-three thousand, one hundred twenty".