2000423240 has 64 divisors (see below), whose sum is σ = 4560539760. Its totient is φ = 789626880.

The previous prime is 2000423239. The next prime is 2000423267. The reversal of 2000423240 is 423240002.

It can be written as a sum of positive squares in 8 ways, for example, as 628906084 + 1371517156 = 25078^2 + 37034^2 .

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, 2098604 + ... + 2099556.

Almost surely, 2^2000423240 is an apocalyptic number.

2000423240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000423240 is an abundant number, since it is smaller than the sum of its proper divisors (2560116520).

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

2000423240 is a wasteful number, since it uses less digits than its factorization.

2000423240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2000423240 is about 44726.0912667315. The cubic root of 2000423240 is about 1260.0099184572.

Adding to 2000423240 its reverse (423240002), we get a palindrome (2423663242).

The spelling of 2000423240 in words is "two billion, four hundred twenty-three thousand, two hundred forty".