20231002013 has 8 divisors (see below), whose sum is σ = 20379773400. Its totient is φ = 20082404160.

The previous prime is 20231001983. The next prime is 20231002021. The reversal of 20231002013 is 31020013202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 61889689 + 20169112324 = 7867^2 + 142018^2 .

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 20231002013 - 2⁸ = 20231001757 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 (20231002093) 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, 195443 + ... + 280463.

It is an arithmetic number, because the mean of its divisors is an integer number (2547471675).

Almost surely, 2^20231002013 is an apocalyptic number.

It is an amenable number.

20231002013 is a deficient number, since it is larger than the sum of its proper divisors (148771387).

20231002013 is a wasteful number, since it uses less digits than its factorization.

20231002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86767.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20231002013 its reverse (31020013202), we get a palindrome (51251015215).

The spelling of 20231002013 in words is "twenty billion, two hundred thirty-one million, two thousand, thirteen".