2100716420 has 24 divisors (see below), whose sum is σ = 4812550848. Its totient is φ = 763896800.

The previous prime is 2100716407. The next prime is 2100716447. The reversal of 2100716420 is 246170012.

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, 4774136 + ... + 4774575.

It is an arithmetic number, because the mean of its divisors is an integer number (200522952).

Almost surely, 2^2100716420 is an apocalyptic number.

2100716420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100716420 is an abundant number, since it is smaller than the sum of its proper divisors (2711834428).

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

2100716420 is a wasteful number, since it uses less digits than its factorization.

2100716420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9548731 (or 9548729 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2100716420 is about 45833.5730660397. The cubic root of 2100716420 is about 1280.7247726410.

Adding to 2100716420 its reverse (246170012), we get a palindrome (2346886432).

The spelling of 2100716420 in words is "two billion, one hundred million, seven hundred sixteen thousand, four hundred twenty".