2124020340 has 96 divisors (see below), whose sum is σ = 7116399360. Its totient is φ = 522834048.

The previous prime is 2124020323. The next prime is 2124020351. The reversal of 2124020340 is 430204212.

It is a super-2 number, since 2×2124020340² = 9022924809467431200, which contains 22 as substring.

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

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, 144264 + ... + 158303.

It is an arithmetic number, because the mean of its divisors is an integer number (74129160).

Almost surely, 2^2124020340 is an apocalyptic number.

2124020340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2124020340 is an abundant number, since it is smaller than the sum of its proper divisors (4992379020).

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

2124020340 is a wasteful number, since it uses less digits than its factorization.

2124020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302598 (or 302590 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2124020340 is about 46087.0951568875. The cubic root of 2124020340 is about 1285.4431977668.

Adding to 2124020340 its reverse (430204212), we get a palindrome (2554224552).

The spelling of 2124020340 in words is "two billion, one hundred twenty-four million, twenty thousand, three hundred forty".