20000321023 has 8 divisors (see below), whose sum is σ = 20163826800. Its totient is φ = 19837390848.

The previous prime is 20000320943. The next prime is 20000321053. The reversal of 20000321023 is 32012300002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20000321023 - 2¹³ = 20000312831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000320994 and 20000321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000321053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73986 + ... + 213247.

It is an arithmetic number, because the mean of its divisors is an integer number (2520478350).

Almost surely, 2^20000321023 is an apocalyptic number.

20000321023 is a deficient number, since it is larger than the sum of its proper divisors (163505777).

20000321023 is a wasteful number, since it uses less digits than its factorization.

20000321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287801.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20000321023 its reverse (32012300002), we get a palindrome (52012621025).

The spelling of 20000321023 in words is "twenty billion, three hundred twenty-one thousand, twenty-three".