20650251324 has 12 divisors (see below), whose sum is σ = 48183919784. Its totient is φ = 6883417104.

The previous prime is 20650251319. The next prime is 20650251361. The reversal of 20650251324 is 42315205602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20650251291 and 20650251300.

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 3 ways as a sum of consecutive naturals, for example, 860427127 + ... + 860427150.

Almost surely, 2^20650251324 is an apocalyptic number.

It is an amenable number.

20650251324 is an abundant number, since it is smaller than the sum of its proper divisors (27533668460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20650251324 is a wasteful number, since it uses less digits than its factorization.

20650251324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720854284 (or 1720854282 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 20650251324 its reverse (42315205602), we get a palindrome (62965456926).

The spelling of 20650251324 in words is "twenty billion, six hundred fifty million, two hundred fifty-one thousand, three hundred twenty-four".