13820272235 has 32 divisors (see below), whose sum is σ = 20712125952. Its totient is φ = 8600417280.

The previous prime is 13820272229. The next prime is 13820272267. The reversal of 13820272235 is 53227202831.

It is not a de Polignac number, because 13820272235 - 2¹⁸ = 13820010091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 13820272195 and 13820272204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195419 + ... + 256571.

It is an arithmetic number, because the mean of its divisors is an integer number (647253936).

Almost surely, 2^13820272235 is an apocalyptic number.

13820272235 is a deficient number, since it is larger than the sum of its proper divisors (6891853717).

13820272235 is a wasteful number, since it uses less digits than its factorization.

13820272235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61763.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 13820272235 in words is "thirteen billion, eight hundred twenty million, two hundred seventy-two thousand, two hundred thirty-five".