20207612543673 has 8 divisors (see below), whose sum is σ = 27155636804608. Its totient is φ = 13365664989264.

The previous prime is 20207612543669. The next prime is 20207612543737. The reversal of 20207612543673 is 37634521670202.

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

It is not a de Polignac number, because 20207612543673 - 2² = 20207612543669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20207612543633) 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, 26519176186 + ... + 26519176947.

It is an arithmetic number, because the mean of its divisors is an integer number (3394454600576).

Almost surely, 2^{20207612543673} is an apocalyptic number.

It is an amenable number.

20207612543673 is a deficient number, since it is larger than the sum of its proper divisors (6948024260935).

20207612543673 is a wasteful number, since it uses less digits than its factorization.

20207612543673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53038353263.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 20207612543673 in words is "twenty trillion, two hundred seven billion, six hundred twelve million, five hundred forty-three thousand, six hundred seventy-three".