20001013023 has 8 divisors (see below), whose sum is σ = 26683237168. Its totient is φ = 13326398784.

The previous prime is 20001012961. The next prime is 20001013031. The reversal of 20001013023 is 32031010002.

It is a happy number.

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

It is not a de Polignac number, because 20001013023 - 2¹⁷ = 20000881951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001013523) 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, 1896340 + ... + 1906857.

It is an arithmetic number, because the mean of its divisors is an integer number (3335404646).

Almost surely, 2^20001013023 is an apocalyptic number.

20001013023 is a deficient number, since it is larger than the sum of its proper divisors (6682224145).

20001013023 is a wasteful number, since it uses less digits than its factorization.

20001013023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804953.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20001013023 its reverse (32031010002), we get a palindrome (52032023025).

The spelling of 20001013023 in words is "twenty billion, one million, thirteen thousand, twenty-three".