20146531306 has 16 divisors (see below), whose sum is σ = 32985920448. Its totient is φ = 9152272800.

The previous prime is 20146531297. The next prime is 20146531337. The reversal of 20146531306 is 60313564102.

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 7 ways as a sum of consecutive naturals, for example, 222630 + ... + 299761.

It is an arithmetic number, because the mean of its divisors is an integer number (2061620028).

Almost surely, 2^20146531306 is an apocalyptic number.

20146531306 is a deficient number, since it is larger than the sum of its proper divisors (12839389142).

20146531306 is a wasteful number, since it uses less digits than its factorization.

20146531306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524157.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 20146531306 in words is "twenty billion, one hundred forty-six million, five hundred thirty-one thousand, three hundred six".