20146573426131 has 16 divisors (see below), whose sum is σ = 29847278773920. Its totient is φ = 13430822453280.

The previous prime is 20146573426073. The next prime is 20146573426139. The reversal of 20146573426131 is 13162437564102.

20146573426131 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 6 + 573 + 42 + 6 + 1 + 31 = 666.

It is not a de Polignac number, because 20146573426131 - 2⁷ = 20146573426003 is a prime.

It is a super-2 number, since 2×20146573426131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20146573426139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4653120 + ... + 7870493.

It is an arithmetic number, because the mean of its divisors is an integer number (1865454923370).

Almost surely, 2^{20146573426131} is an apocalyptic number.

20146573426131 is a deficient number, since it is larger than the sum of its proper divisors (9700705347789).

20146573426131 is a wasteful number, since it uses less digits than its factorization.

20146573426131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12583203 (or 12583197 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 20146573426131 in words is "twenty trillion, one hundred forty-six billion, five hundred seventy-three million, four hundred twenty-six thousand, one hundred thirty-one".