2100330540 has 192 divisors, whose sum is σ = 8146897920. Its totient is φ = 436423680.

The previous prime is 2100330517. The next prime is 2100330541. The reversal of 2100330540 is 450330012.

It is a super-2 number, since 2×2100330540² = 8822776754513383200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2100330541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16324 + ... + 66836.

It is an arithmetic number, because the mean of its divisors is an integer number (42431760).

Almost surely, 2^2100330540 is an apocalyptic number.

2100330540 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 2100330540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4073448960).

2100330540 is an abundant number, since it is smaller than the sum of its proper divisors (6046567380).

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

2100330540 is a wasteful number, since it uses less digits than its factorization.

2100330540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50549 (or 50541 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2100330540 is about 45829.3632947262. The cubic root of 2100330540 is about 1280.6463491829.

Adding to 2100330540 its reverse (450330012), we get a palindrome (2550660552).

The spelling of 2100330540 in words is "two billion, one hundred million, three hundred thirty thousand, five hundred forty".