2100301220 has 48 divisors (see below), whose sum is σ = 4659863040. Its totient is φ = 793881984.

The previous prime is 2100301213. The next prime is 2100301237. The reversal of 2100301220 is 221030012.

It is a happy number.

It is a super-2 number, since 2×2100301220² = 8822530429466976800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11264 + ... + 65783.

It is an arithmetic number, because the mean of its divisors is an integer number (97080480).

Almost surely, 2^2100301220 is an apocalyptic number.

2100301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100301220 is an abundant number, since it is smaller than the sum of its proper divisors (2559561820).

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

2100301220 is a wasteful number, since it uses less digits than its factorization.

2100301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77132 (or 77130 counting only the distinct ones).

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

The square root of 2100301220 is about 45829.0434113565. The cubic root of 2100301220 is about 1280.6403900057.

Adding to 2100301220 its reverse (221030012), we get a palindrome (2321331232).

The spelling of 2100301220 in words is "two billion, one hundred million, three hundred one thousand, two hundred twenty".