20323121330 has 16 divisors (see below), whose sum is σ = 36596491200. Its totient is φ = 8125943472.

The previous prime is 20323121321. The next prime is 20323121341. The reversal of 20323121330 is 3312132302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387230 + ... + 436569.

It is an arithmetic number, because the mean of its divisors is an integer number (2287280700).

Almost surely, 2^20323121330 is an apocalyptic number.

20323121330 is a deficient number, since it is larger than the sum of its proper divisors (16273369870).

20323121330 is a wasteful number, since it uses less digits than its factorization.

20323121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826273.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20323121330 its reverse (3312132302), we get a palindrome (23635253632).

The spelling of 20323121330 in words is "twenty billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred thirty".