20241330813 has 20 divisors (see below), whose sum is σ = 32985873888. Its totient is φ = 12267472680.

The previous prime is 20241330799. The next prime is 20241330841. The reversal of 20241330813 is 31803314202.

20241330813 is a `hidden beast` number, since 202 + 413 + 30 + 8 + 13 = 666.

It is not a de Polignac number, because 20241330813 - 2⁶ = 20241330749 is a prime.

It is a super-3 number, since 3×20241330813³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20241330853) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11357881 + ... + 11359662.

Almost surely, 2^20241330813 is an apocalyptic number.

It is an amenable number.

20241330813 is a deficient number, since it is larger than the sum of its proper divisors (12744543075).

20241330813 is a wasteful number, since it uses less digits than its factorization.

20241330813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22717566 (or 22717557 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 20241330813 in words is "twenty billion, two hundred forty-one million, three hundred thirty thousand, eight hundred thirteen".