20210032330 has 32 divisors (see below), whose sum is σ = 37731232080. Its totient is φ = 7787635200.

The previous prime is 20210032321. The next prime is 20210032333. The reversal of 20210032330 is 3323001202.

It can be written as a sum of positive squares in 8 ways, for example, as 19568372769 + 641659561 = 139887^2 + 25331^2 .

It is not an unprimeable number, because it can be changed into a prime (20210032333) 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, 233035 + ... + 307774.

Almost surely, 2^20210032330 is an apocalyptic number.

20210032330 is a deficient number, since it is larger than the sum of its proper divisors (17521199750).

20210032330 is a wasteful number, since it uses less digits than its factorization.

20210032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540954.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20210032330 its reverse (3323001202), we get a palindrome (23533033532).

The spelling of 20210032330 in words is "twenty billion, two hundred ten million, thirty-two thousand, three hundred thirty".