20322462152 has 16 divisors (see below), whose sum is σ = 38187279900. Its totient is φ = 10139187520.

The previous prime is 20322462151. The next prime is 20322462191. The reversal of 20322462152 is 25126422302.

It can be written as a sum of positive squares in 2 ways, for example, as 19803807076 + 518655076 = 140726^2 + 22774^2 .

It is a super-2 number, since 2×20322462152² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20322462151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751527 + ... + 2758902.

Almost surely, 2^20322462152 is an apocalyptic number.

It is an amenable number.

20322462152 is a deficient number, since it is larger than the sum of its proper divisors (17864817748).

20322462152 is a wasteful number, since it uses less digits than its factorization.

20322462152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510896 (or 5510892 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20322462152 its reverse (25126422302), we get a palindrome (45448884454).

The spelling of 20322462152 in words is "twenty billion, three hundred twenty-two million, four hundred sixty-two thousand, one hundred fifty-two".