20667896048 has 40 divisors (see below), whose sum is σ = 42470141856. Its totient is φ = 9722592000.

The previous prime is 20667895991. The next prime is 20667896089. The reversal of 20667896048 is 84069876602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20667895984 and 20667896002.

It is a congruent number.

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, 437903 + ... + 482798.

Almost surely, 2^20667896048 is an apocalyptic number.

It is an amenable number.

20667896048 is an abundant number, since it is smaller than the sum of its proper divisors (21802245808).

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

20667896048 is a wasteful number, since it uses less digits than its factorization.

20667896048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920793 (or 920787 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 20667896048 in words is "twenty billion, six hundred sixty-seven million, eight hundred ninety-six thousand, forty-eight".