20321011203 has 8 divisors (see below), whose sum is σ = 27826970448. Its totient is φ = 13181196384.

The previous prime is 20321011189. The next prime is 20321011223. The reversal of 20321011203 is 30211012302.

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

It is not a de Polignac number, because 20321011203 - 2⁹ = 20321010691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20321011223) 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, 91535976 + ... + 91536197.

It is an arithmetic number, because the mean of its divisors is an integer number (3478371306).

Almost surely, 2^20321011203 is an apocalyptic number.

20321011203 is a deficient number, since it is larger than the sum of its proper divisors (7505959245).

20321011203 is a wasteful number, since it uses less digits than its factorization.

20321011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183072213.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20321011203 its reverse (30211012302), we get a palindrome (50532023505).

The spelling of 20321011203 in words is "twenty billion, three hundred twenty-one million, eleven thousand, two hundred three".