2020624321 has 2 divisors, whose sum is σ = 2020624322. Its totient is φ = 2020624320.

The previous prime is 2020624297. The next prime is 2020624351. The reversal of 2020624321 is 1234260202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074200625 + 946423696 = 32775^2 + 30764^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020624321 - 2⁵ = 2020624289 is a prime.

It is a super-2 number, since 2×2020624321² = 8165845293233422082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020624292 and 2020624301.

It is not a weakly prime, because it can be changed into another prime (2020624351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010312160 + 1010312161.

It is an arithmetic number, because the mean of its divisors is an integer number (1010312161).

Almost surely, 2^2020624321 is an apocalyptic number.

It is an amenable number.

2020624321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020624321 is an equidigital number, since it uses as much as digits as its factorization.

2020624321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2020624321 is about 44951.3550518780. The cubic root of 2020624321 is about 1264.2370838681.

Adding to 2020624321 its reverse (1234260202), we get a palindrome (3254884523).

The spelling of 2020624321 in words is "two billion, twenty million, six hundred twenty-four thousand, three hundred twenty-one".