20026617616 has 20 divisors (see below), whose sum is σ = 38817928192. Its totient is φ = 10009087776.

The previous prime is 20026617607. The next prime is 20026617761. The reversal of 20026617616 is 61671662002.

It is a happy 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, 224496 + ... + 300751.

Almost surely, 2^20026617616 is an apocalyptic number.

It is an amenable number.

20026617616 is a deficient number, since it is larger than the sum of its proper divisors (18791310576).

20026617616 is a wasteful number, since it uses less digits than its factorization.

20026617616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527638 (or 527632 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 20026617616 in words is "twenty billion, twenty-six million, six hundred seventeen thousand, six hundred sixteen".