2031420320 has 24 divisors (see below), whose sum is σ = 4799230884. Its totient is φ = 812568064.

The previous prime is 2031420277. The next prime is 2031420337. The reversal of 2031420320 is 230241302.

It can be written as a sum of positive squares in 2 ways, for example, as 1739557264 + 291863056 = 41708^2 + 17084^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6348029 + ... + 6348348.

Almost surely, 2^2031420320 is an apocalyptic number.

2031420320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031420320 is an abundant number, since it is smaller than the sum of its proper divisors (2767810564).

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

2031420320 is a wasteful number, since it uses less digits than its factorization.

2031420320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696392 (or 12696384 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2031420320 is about 45071.2804344407. The cubic root of 2031420320 is about 1266.4846509776.

Adding to 2031420320 its reverse (230241302), we get a palindrome (2261661622).

The spelling of 2031420320 in words is "two billion, thirty-one million, four hundred twenty thousand, three hundred twenty".