2143331520 has 112 divisors (see below), whose sum is σ = 7423757568. Its totient is φ = 519592960.

The previous prime is 2143331513. The next prime is 2143331579. The reversal of 2143331520 is 251333412.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 90924 + ... + 112043.

Almost surely, 2^2143331520 is an apocalyptic number.

2143331520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143331520 is an abundant number, since it is smaller than the sum of its proper divisors (5280426048).

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

2143331520 is a wasteful number, since it uses less digits than its factorization.

2143331520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202998 (or 202988 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2143331520 is about 46296.1285638443. The cubic root of 2143331520 is about 1289.3271173769.

Adding to 2143331520 its reverse (251333412), we get a palindrome (2394664932).

The spelling of 2143331520 in words is "two billion, one hundred forty-three million, three hundred thirty-one thousand, five hundred twenty".