20272470873 has 8 divisors (see below), whose sum is σ = 27658565088. Its totient is φ = 13200678624.

The previous prime is 20272470857. The next prime is 20272470899. The reversal of 20272470873 is 37807427202.

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

It is not a de Polignac number, because 20272470873 - 2⁴ = 20272470857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20272470073) 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, 78575340 + ... + 78575597.

It is an arithmetic number, because the mean of its divisors is an integer number (3457320636).

Almost surely, 2^20272470873 is an apocalyptic number.

It is an amenable number.

20272470873 is a deficient number, since it is larger than the sum of its proper divisors (7386094215).

20272470873 is a wasteful number, since it uses less digits than its factorization.

20272470873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157150983.

The product of its (nonzero) digits is 263424, while the sum is 42.

The spelling of 20272470873 in words is "twenty billion, two hundred seventy-two million, four hundred seventy thousand, eight hundred seventy-three".