20064946546 has 8 divisors (see below), whose sum is σ = 30098034540. Its totient is φ = 10032268368.

The previous prime is 20064946511. The next prime is 20064946547. The reversal of 20064946546 is 64564946002.

It can be written as a sum of positive squares in 2 ways, for example, as 18877386025 + 1187560521 = 137395^2 + 34461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20064946496 and 20064946505.

It is not an unprimeable number, because it can be changed into a prime (20064946547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99820 + ... + 223816.

Almost surely, 2^20064946546 is an apocalyptic number.

20064946546 is a deficient number, since it is larger than the sum of its proper divisors (10033087994).

20064946546 is a wasteful number, since it uses less digits than its factorization.

20064946546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204908.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 20064946546 in words is "twenty billion, sixty-four million, nine hundred forty-six thousand, five hundred forty-six".