20124307265 has 8 divisors (see below), whose sum is σ = 24509604480. Its totient is φ = 15859155312.

The previous prime is 20124307213. The next prime is 20124307303. The reversal of 20124307265 is 56270342102.

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 20124307265 - 2¹⁴ = 20124290881 is a prime.

It is a super-2 number, since 2×20124307265² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30035945 + ... + 30036614.

It is an arithmetic number, because the mean of its divisors is an integer number (3063700560).

Almost surely, 2^20124307265 is an apocalyptic number.

It is an amenable number.

20124307265 is a deficient number, since it is larger than the sum of its proper divisors (4385297215).

20124307265 is an equidigital number, since it uses as much as digits as its factorization.

20124307265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60072631.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 20124307265 its reverse (56270342102), we get a palindrome (76394649367).

The spelling of 20124307265 in words is "twenty billion, one hundred twenty-four million, three hundred seven thousand, two hundred sixty-five".