20052372069 has 20 divisors (see below), whose sum is σ = 29994232620. Its totient is φ = 13350640320.

The previous prime is 20052372059. The next prime is 20052372101. The reversal of 20052372069 is 96027325002.

20052372069 is a `hidden beast` number, since 2 + 0 + 0 + 523 + 72 + 0 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7807843044 + 12244529025 = 88362^2 + 110655^2 .

It is not a de Polignac number, because 20052372069 - 2¹¹ = 20052370021 is a prime.

It is a super-2 number, since 2×20052372069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20052372059) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 101014 + ... + 224295.

It is an arithmetic number, because the mean of its divisors is an integer number (1499711631).

Almost surely, 2^20052372069 is an apocalyptic number.

It is an amenable number.

20052372069 is a deficient number, since it is larger than the sum of its proper divisors (9941860551).

20052372069 is an equidigital number, since it uses as much as digits as its factorization.

20052372069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326082 (or 326073 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 20052372069 in words is "twenty billion, fifty-two million, three hundred seventy-two thousand, sixty-nine".