20210123332 has 12 divisors (see below), whose sum is σ = 40420246720. Its totient is φ = 8661481416.

The previous prime is 20210123327. The next prime is 20210123333. The reversal of 20210123332 is 23332101202.

20210123332 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20210123333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360895032 + ... + 360895087.

Almost surely, 2^20210123332 is an apocalyptic number.

It is an amenable number.

20210123332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20210123332 is a wasteful number, since it uses less digits than its factorization.

20210123332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721790130 (or 721790128 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20210123332 its reverse (23332101202), we get a palindrome (43542224534).

The spelling of 20210123332 in words is "twenty billion, two hundred ten million, one hundred twenty-three thousand, three hundred thirty-two".