20146131351 has 10 divisors (see below), whose sum is σ = 30094838312. Its totient is φ = 13430754180.

The previous prime is 20146131323. The next prime is 20146131373. The reversal of 20146131351 is 15313164102.

It is a happy number.

20146131351 is a `hidden beast` number, since 2 + 0 + 14 + 613 + 1 + 35 + 1 = 666.

It is not a de Polignac number, because 20146131351 - 2⁶ = 20146131287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146131301) 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 9 ways as a sum of consecutive naturals, for example, 124358755 + ... + 124358916.

Almost surely, 2^20146131351 is an apocalyptic number.

20146131351 is a deficient number, since it is larger than the sum of its proper divisors (9948706961).

20146131351 is an equidigital number, since it uses as much as digits as its factorization.

20146131351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248717683 (or 248717674 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 20146131351 its reverse (15313164102), we get a palindrome (35459295453).

The spelling of 20146131351 in words is "twenty billion, one hundred forty-six million, one hundred thirty-one thousand, three hundred fifty-one".