20023031003 has 16 divisors (see below), whose sum is σ = 21522913920. Its totient is φ = 18571234176.

The previous prime is 20023030997. The next prime is 20023031023. The reversal of 20023031003 is 30013032002.

It is not a de Polignac number, because 20023031003 - 2⁶ = 20023030939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023031023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159251 + ... + 255747.

It is an arithmetic number, because the mean of its divisors is an integer number (1345182120).

Almost surely, 2^20023031003 is an apocalyptic number.

20023031003 is a deficient number, since it is larger than the sum of its proper divisors (1499882917).

20023031003 is a wasteful number, since it uses less digits than its factorization.

20023031003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96746.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20023031003 its reverse (30013032002), we get a palindrome (50036063005).

Subtracting 20023031003 from its reverse (30013032002), we obtain a palindrome (9990000999).

The spelling of 20023031003 in words is "twenty billion, twenty-three million, thirty-one thousand, three".