20324343178 has 16 divisors (see below), whose sum is σ = 30569837760. Its totient is φ = 10134434016.

The previous prime is 20324343157. The next prime is 20324343181. The reversal of 20324343178 is 87134342302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204363 + ... + 1221121.

It is an arithmetic number, because the mean of its divisors is an integer number (1910614860).

Almost surely, 2^20324343178 is an apocalyptic number.

20324343178 is a deficient number, since it is larger than the sum of its proper divisors (10245494582).

20324343178 is a wasteful number, since it uses less digits than its factorization.

20324343178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18381.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 20324343178 in words is "twenty billion, three hundred twenty-four million, three hundred forty-three thousand, one hundred seventy-eight".