20242131215 has 8 divisors (see below), whose sum is σ = 24291323088. Its totient is φ = 16193194560.

The previous prime is 20242131209. The next prime is 20242131229. The reversal of 20242131215 is 51213124202.

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

It is not a de Polignac number, because 20242131215 - 2⁸ = 20242130959 is a prime.

It is a super-2 number, since 2×20242131215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261155 + ... + 329675.

It is an arithmetic number, because the mean of its divisors is an integer number (3036415386).

Almost surely, 2^20242131215 is an apocalyptic number.

20242131215 is a deficient number, since it is larger than the sum of its proper divisors (4049191873).

20242131215 is an equidigital number, since it uses as much as digits as its factorization.

20242131215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127609.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20242131215 its reverse (51213124202), we get a palindrome (71455255417).

The spelling of 20242131215 in words is "twenty billion, two hundred forty-two million, one hundred thirty-one thousand, two hundred fifteen".