20244154131 has 6 divisors (see below), whose sum is σ = 29241555980. Its totient is φ = 13496102748.

The previous prime is 20244154111. The next prime is 20244154141. The reversal of 20244154131 is 13145144202.

20244154131 is a `hidden beast` number, since 2 + 0 + 244 + 1 + 5 + 413 + 1 = 666.

It is not a de Polignac number, because 20244154131 - 2¹¹ = 20244152083 is a prime.

It is a super-2 number, since 2×20244154131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20244154095 and 20244154104.

It is not an unprimeable number, because it can be changed into a prime (20244154111) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1124675221 + ... + 1124675238.

Almost surely, 2^20244154131 is an apocalyptic number.

20244154131 is a deficient number, since it is larger than the sum of its proper divisors (8997401849).

20244154131 is a wasteful number, since it uses less digits than its factorization.

20244154131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249350465 (or 2249350462 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 20244154131 its reverse (13145144202), we get a palindrome (33389298333).

The spelling of 20244154131 in words is "twenty billion, two hundred forty-four million, one hundred fifty-four thousand, one hundred thirty-one".