2043312420 has 48 divisors (see below), whose sum is σ = 5875910208. Its totient is φ = 530156160.

The previous prime is 2043312407. The next prime is 2043312493. The reversal of 2043312420 is 242133402.

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, 457986 + ... + 462425.

It is an arithmetic number, because the mean of its divisors is an integer number (122414796).

Almost surely, 2^2043312420 is an apocalyptic number.

2043312420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043312420 is an abundant number, since it is smaller than the sum of its proper divisors (3832597788).

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

2043312420 is a wasteful number, since it uses less digits than its factorization.

2043312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920460 (or 920458 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2043312420 is about 45203.0133951267. The cubic root of 2043312420 is about 1268.9512121689.

Adding to 2043312420 its reverse (242133402), we get a palindrome (2285445822).

The spelling of 2043312420 in words is "two billion, forty-three million, three hundred twelve thousand, four hundred twenty".