2100200340 has 96 divisors (see below), whose sum is σ = 7074385920. Its totient is φ = 454778496.

The previous prime is 2100200303. The next prime is 2100200351. The reversal of 2100200340 is 430020012.

2100200340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2100200340² = 8821682936272231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 123612 + ... + 139571.

It is an arithmetic number, because the mean of its divisors is an integer number (73691520).

Almost surely, 2^2100200340 is an apocalyptic number.

2100200340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100200340 is an abundant number, since it is smaller than the sum of its proper divisors (4974185580).

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

2100200340 is a wasteful number, since it uses less digits than its factorization.

2100200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263221 (or 263219 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2100200340 is about 45827.9427860339. The cubic root of 2100200340 is about 1280.6198861100.

Adding to 2100200340 its reverse (430020012), we get a palindrome (2530220352).

The spelling of 2100200340 in words is "two billion, one hundred million, two hundred thousand, three hundred forty".