2000431720 has 64 divisors (see below), whose sum is σ = 5414716800. Its totient is φ = 649762560.

The previous prime is 2000431691. The next prime is 2000431733. The reversal of 2000431720 is 271340002.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 182691 + ... + 193330.

It is an arithmetic number, because the mean of its divisors is an integer number (84604950).

Almost surely, 2^2000431720 is an apocalyptic number.

2000431720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000431720 is an abundant number, since it is smaller than the sum of its proper divisors (3414285080).

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

2000431720 is a wasteful number, since it uses less digits than its factorization.

2000431720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376058 (or 376054 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2000431720 is about 44726.1860658831. The cubic root of 2000431720 is about 1260.0116988920.

Adding to 2000431720 its reverse (271340002), we get a palindrome (2271771722).

The spelling of 2000431720 in words is "two billion, four hundred thirty-one thousand, seven hundred twenty".