2043002520 has 128 divisors (see below), whose sum is σ = 7333905600. Its totient is φ = 502889472.

The previous prime is 2043002513. The next prime is 2043002537. The reversal of 2043002520 is 252003402.

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

It is a junction number, because it is equal to n+sod(n) for n = 2043002493 and 2043002502.

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, 58717 + ... + 86796.

Almost surely, 2^2043002520 is an apocalyptic number.

2043002520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043002520 is an abundant number, since it is smaller than the sum of its proper divisors (5290903080).

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

2043002520 is a wasteful number, since it uses less digits than its factorization.

2043002520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145546 (or 145536 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2043002520 is about 45199.5853963286. The cubic root of 2043002520 is about 1268.8870568853.

Adding to 2043002520 its reverse (252003402), we get a palindrome (2295005922).

The spelling of 2043002520 in words is "two billion, forty-three million, two thousand, five hundred twenty".