20213323330 has 16 divisors (see below), whose sum is σ = 36386004024. Its totient is φ = 8084880000.

The previous prime is 20213323313. The next prime is 20213323373. The reversal of 20213323330 is 3332331202.

It can be written as a sum of positive squares in 4 ways, for example, as 20189283921 + 24039409 = 142089^2 + 4903^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180094 + ... + 269926.

Almost surely, 2^20213323330 is an apocalyptic number.

20213323330 is a deficient number, since it is larger than the sum of its proper divisors (16172680694).

20213323330 is a wasteful number, since it uses less digits than its factorization.

20213323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112341.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20213323330 its reverse (3332331202), we get a palindrome (23545654532).

The spelling of 20213323330 in words is "twenty billion, two hundred thirteen million, three hundred twenty-three thousand, three hundred thirty".