20146671530 has 32 divisors (see below), whose sum is σ = 37992568320. Its totient is φ = 7682304960.

The previous prime is 20146671529. The next prime is 20146671547. The reversal of 20146671530 is 3517664102.

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 15 ways as a sum of consecutive naturals, for example, 464225 + ... + 505764.

It is an arithmetic number, because the mean of its divisors is an integer number (1187267760).

Almost surely, 2^20146671530 is an apocalyptic number.

20146671530 is a deficient number, since it is larger than the sum of its proper divisors (17845896790).

20146671530 is a wasteful number, since it uses less digits than its factorization.

20146671530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970094.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 20146671530 in words is "twenty billion, one hundred forty-six million, six hundred seventy-one thousand, five hundred thirty".