20243033013 has 16 divisors (see below), whose sum is σ = 30889451520. Its totient is φ = 11551350576.

The previous prime is 20243032993. The next prime is 20243033023. The reversal of 20243033013 is 31033034202.

It is not a de Polignac number, because 20243033013 - 2⁵ = 20243032981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243033023) 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, 655245 + ... + 685442.

It is an arithmetic number, because the mean of its divisors is an integer number (1930590720).

Almost surely, 2^20243033013 is an apocalyptic number.

It is an amenable number.

20243033013 is a deficient number, since it is larger than the sum of its proper divisors (10646418507).

20243033013 is a wasteful number, since it uses less digits than its factorization.

20243033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341416.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20243033013 its reverse (31033034202), we get a palindrome (51276067215).

The spelling of 20243033013 in words is "twenty billion, two hundred forty-three million, thirty-three thousand, thirteen".