20023000032 has 96 divisors (see below), whose sum is σ = 60620313600. Its totient is φ = 5668351488.

The previous prime is 20023000007. The next prime is 20023000069. The reversal of 20023000032 is 23000032002.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20022999981 and 20023000017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63432 + ... + 209927.

It is an arithmetic number, because the mean of its divisors is an integer number (631461600).

Almost surely, 2^20023000032 is an apocalyptic number.

It is an amenable number.

20023000032 is an abundant number, since it is smaller than the sum of its proper divisors (40597313568).

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

20023000032 is a wasteful number, since it uses less digits than its factorization.

20023000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273488 (or 273480 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 20023000032 its reverse (23000032002), we get a palindrome (43023032034).

The spelling of 20023000032 in words is "twenty billion, twenty-three million, thirty-two", and thus it is an aban number and an uban number.