20112422245 has 8 divisors (see below), whose sum is σ = 24590282616. Its totient is φ = 15786353856.

The previous prime is 20112422227. The next prime is 20112422251. The reversal of 20112422245 is 54222421102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6630193476 + 13482228769 = 81426^2 + 116113^2 .

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 20112422245 - 2²⁵ = 20078867813 is a prime.

It is a super-2 number, since 2×20112422245² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37947702 + ... + 37948231.

It is an arithmetic number, because the mean of its divisors is an integer number (3073785327).

Almost surely, 2^20112422245 is an apocalyptic number.

It is an amenable number.

20112422245 is a deficient number, since it is larger than the sum of its proper divisors (4477860371).

20112422245 is an equidigital number, since it uses as much as digits as its factorization.

20112422245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75895991.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20112422245 its reverse (54222421102), we get a palindrome (74334843347).

The spelling of 20112422245 in words is "twenty billion, one hundred twelve million, four hundred twenty-two thousand, two hundred forty-five".