20678675052 has 48 divisors (see below), whose sum is σ = 55157634560. Its totient is φ = 5906639232.

The previous prime is 20678675041. The next prime is 20678675077. The reversal of 20678675052 is 25057687602.

It is a junction number, because it is equal to n+sod(n) for n = 20678674992 and 20678675010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310449 + ... + 371127.

Almost surely, 2^20678675052 is an apocalyptic number.

It is an amenable number.

20678675052 is an abundant number, since it is smaller than the sum of its proper divisors (34478959508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20678675052 is a wasteful number, since it uses less digits than its factorization.

20678675052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64750 (or 64748 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 20678675052 in words is "twenty billion, six hundred seventy-eight million, six hundred seventy-five thousand, fifty-two".