20472664153 has 8 divisors (see below), whose sum is σ = 20921340672. Its totient is φ = 20024533056.

The previous prime is 20472664109. The next prime is 20472664169. The reversal of 20472664153 is 35146627402.

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 20472664153 - 2¹³ = 20472655961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20472664183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60000 + ... + 211057.

It is an arithmetic number, because the mean of its divisors is an integer number (2615167584).

Almost surely, 2^20472664153 is an apocalyptic number.

It is an amenable number.

20472664153 is a deficient number, since it is larger than the sum of its proper divisors (448676519).

20472664153 is a wasteful number, since it uses less digits than its factorization.

20472664153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272711.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 20472664153 in words is "twenty billion, four hundred seventy-two million, six hundred sixty-four thousand, one hundred fifty-three".