2050431320 has 64 divisors (see below), whose sum is σ = 5401166400. Its totient is φ = 685854720.

The previous prime is 2050431293. The next prime is 2050431323. The reversal of 2050431320 is 231340502.

It is a happy number.

It is a super-3 number, since 3×2050431320³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2050431292 and 2050431301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050431323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77825 + ... + 100784.

It is an arithmetic number, because the mean of its divisors is an integer number (84393225).

Almost surely, 2^2050431320 is an apocalyptic number.

2050431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050431320 is an abundant number, since it is smaller than the sum of its proper divisors (3350735080).

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

2050431320 is a wasteful number, since it uses less digits than its factorization.

2050431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178668 (or 178664 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2050431320 is about 45281.6885727553. The cubic root of 2050431320 is about 1270.4231792892.

Adding to 2050431320 its reverse (231340502), we get a palindrome (2281771822).

The spelling of 2050431320 in words is "two billion, fifty million, four hundred thirty-one thousand, three hundred twenty".