24013030220021 has 8 divisors (see below), whose sum is σ = 25524493559640. Its totient is φ = 22512559341568.

The previous prime is 24013030219957. The next prime is 24013030220033. The reversal of 24013030220021 is 12002203031042.

It can be written as a sum of positive squares in 4 ways, for example, as 17612383217521 + 6400647002500 = 4196711^2 + 2529950^2 .

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 24013030220021 - 2⁶ = 24013030219957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24013030219975 and 24013030220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24013030222021) 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, 2748110786 + ... + 2748119523.

It is an arithmetic number, because the mean of its divisors is an integer number (3190561694955).

Almost surely, 2^{24013030220021} is an apocalyptic number.

It is an amenable number.

24013030220021 is a deficient number, since it is larger than the sum of its proper divisors (1511463339619).

24013030220021 is a wasteful number, since it uses less digits than its factorization.

24013030220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496230583.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 24013030220021 its reverse (12002203031042), we get a palindrome (36015233251063).

The spelling of 24013030220021 in words is "twenty-four trillion, thirteen billion, thirty million, two hundred twenty thousand, twenty-one".