20024213331 has 8 divisors (see below), whose sum is σ = 26700027904. Its totient is φ = 13348937160.

The previous prime is 20024213309. The next prime is 20024213357. The reversal of 20024213331 is 13331242002.

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

It is not a de Polignac number, because 20024213331 - 2⁵ = 20024213299 is a prime.

It is a super-2 number, since 2×20024213331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20024213298 and 20024213307.

It is not an unprimeable number, because it can be changed into a prime (20024613331) 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, 37891 + ... + 203676.

It is an arithmetic number, because the mean of its divisors is an integer number (3337503488).

Almost surely, 2^20024213331 is an apocalyptic number.

20024213331 is a deficient number, since it is larger than the sum of its proper divisors (6675814573).

20024213331 is a wasteful number, since it uses less digits than its factorization.

20024213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269201.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20024213331 its reverse (13331242002), we get a palindrome (33355455333).

The spelling of 20024213331 in words is "twenty billion, twenty-four million, two hundred thirteen thousand, three hundred thirty-one".