20123033320 has 64 divisors (see below), whose sum is σ = 48798288000. Its totient is φ = 7424156928.

The previous prime is 20123033311. The next prime is 20123033363. The reversal of 20123033320 is 2333032102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671211 + ... + 700549.

It is an arithmetic number, because the mean of its divisors is an integer number (762473250).

Almost surely, 2^20123033320 is an apocalyptic number.

20123033320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123033320 is an abundant number, since it is smaller than the sum of its proper divisors (28675254680).

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

20123033320 is a wasteful number, since it uses less digits than its factorization.

20123033320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30682 (or 30678 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20123033320 its reverse (2333032102), we get a palindrome (22456065422).

The spelling of 20123033320 in words is "twenty billion, one hundred twenty-three million, thirty-three thousand, three hundred twenty".