20328573148 has 12 divisors (see below), whose sum is σ = 38311541800. Its totient is φ = 9382418352.

The previous prime is 20328573121. The next prime is 20328573197. The reversal of 20328573148 is 84137582302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195466998 + ... + 195467101.

Almost surely, 2^20328573148 is an apocalyptic number.

It is an amenable number.

20328573148 is a deficient number, since it is larger than the sum of its proper divisors (17982968652).

20328573148 is a wasteful number, since it uses less digits than its factorization.

20328573148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390934116 (or 390934114 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 20328573148 in words is "twenty billion, three hundred twenty-eight million, five hundred seventy-three thousand, one hundred forty-eight".