2030121320 has 32 divisors (see below), whose sum is σ = 4569064200. Its totient is φ = 811819008.

The previous prime is 2030121299. The next prime is 2030121323. The reversal of 2030121320 is 231210302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1620706564 + 409414756 = 40258^2 + 20234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2030121295 and 2030121304.

It is not an unprimeable number, because it can be changed into a prime (2030121323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249476 + ... + 257484.

Almost surely, 2^2030121320 is an apocalyptic number.

2030121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030121320 is an abundant number, since it is smaller than the sum of its proper divisors (2538942880).

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

2030121320 is a wasteful number, since it uses less digits than its factorization.

2030121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14357 (or 14353 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2030121320 is about 45056.8676230383. The cubic root of 2030121320 is about 1266.2146404930.

Adding to 2030121320 its reverse (231210302), we get a palindrome (2261331622).

The spelling of 2030121320 in words is "two billion, thirty million, one hundred twenty-one thousand, three hundred twenty".