20031333023 has 32 divisors (see below), whose sum is σ = 22909673472. Its totient is φ = 17380137600.

The previous prime is 20031333011. The next prime is 20031333031. The reversal of 20031333023 is 32033313002.

It is not a de Polignac number, because 20031333023 - 2¹² = 20031328927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20031332986 and 20031333004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031333923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15372590 + ... + 15373892.

It is an arithmetic number, because the mean of its divisors is an integer number (715927296).

Almost surely, 2^20031333023 is an apocalyptic number.

20031333023 is a deficient number, since it is larger than the sum of its proper divisors (2878340449).

20031333023 is a wasteful number, since it uses less digits than its factorization.

20031333023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20031333023 its reverse (32033313002), we get a palindrome (52064646025).

The spelling of 20031333023 in words is "twenty billion, thirty-one million, three hundred thirty-three thousand, twenty-three".