20049967673 has 8 divisors (see below), whose sum is σ = 20219839488. Its totient is φ = 19880437024.

The previous prime is 20049967669. The next prime is 20049967697. The reversal of 20049967673 is 37676994002.

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

It is a cyclic number.

It is not a de Polignac number, because 20049967673 - 2² = 20049967669 is a prime.

It is a super-3 number, since 3×20049967673³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20049967633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33440 + ... + 203022.

It is an arithmetic number, because the mean of its divisors is an integer number (2527479936).

Almost surely, 2^20049967673 is an apocalyptic number.

It is an amenable number.

20049967673 is a deficient number, since it is larger than the sum of its proper divisors (169871815).

20049967673 is a wasteful number, since it uses less digits than its factorization.

20049967673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170583.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 20049967673 in words is "twenty billion, forty-nine million, nine hundred sixty-seven thousand, six hundred seventy-three".