2100241020 has 24 divisors (see below), whose sum is σ = 5880675024. Its totient is φ = 560064256.

The previous prime is 2100240997. The next prime is 2100241043. The reversal of 2100241020 is 201420012.

It is an interprime number because it is at equal distance from previous prime (2100240997) and next prime (2100241043).

It is a super-2 number, since 2×2100241020² = 8822024684181280800, which contains 22 as substring.

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 = 2100240987 and 2100241005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17501949 + ... + 17502068.

It is an arithmetic number, because the mean of its divisors is an integer number (245028126).

Almost surely, 2^2100241020 is an apocalyptic number.

2100241020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100241020 is an abundant number, since it is smaller than the sum of its proper divisors (3780434004).

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

2100241020 is a wasteful number, since it uses less digits than its factorization.

2100241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35004029 (or 35004027 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2100241020 is about 45828.3866179031. The cubic root of 2100241020 is about 1280.6281544134.

Adding to 2100241020 its reverse (201420012), we get a palindrome (2301661032).

The spelling of 2100241020 in words is "two billion, one hundred million, two hundred forty-one thousand, twenty".