20152342222 has 16 divisors (see below), whose sum is σ = 31052095200. Its totient is φ = 9803013760.

The previous prime is 20152342213. The next prime is 20152342277. The reversal of 20152342222 is 22224325102.

It is a super-2 number, since 2×20152342222² (a number of 21 digits) contains 22 as substring.

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, 312847 + ... + 371722.

It is an arithmetic number, because the mean of its divisors is an integer number (1940755950).

Almost surely, 2^20152342222 is an apocalyptic number.

20152342222 is a deficient number, since it is larger than the sum of its proper divisors (10899752978).

20152342222 is a wasteful number, since it uses less digits than its factorization.

20152342222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684971.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20152342222 its reverse (22224325102), we get a palindrome (42376667324).

The spelling of 20152342222 in words is "twenty billion, one hundred fifty-two million, three hundred forty-two thousand, two hundred twenty-two".